Built 2026-10-18 (18 October 2026)

Tomsk Weather Records (RSM00029430)

Record envelope, standing records and threshold days for Tomsk (RSM00029430), Russia, with 139 years of record.

Key Facts for Tomsk

  • Tomsk (RSM00029430) is a weather station in Russia at 56.50 latitude and 84.92 longitude, 141 m (463 ft) above sea level.
  • The station reports from 1881 to 2019, 139 years of record.
  • 1,464 records set at Tomsk still stand.
  • Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
  • Tomsk set a daily record precipitation of 20.2 mm (0.8 in) on 4 June 2019.

About the Station

  • Location: Russia, 56.50 latitude, 84.92 longitude.
  • Elevation: 141 m (463 ft).
  • Period of record: 1881 to 2019, 139 years.
  • Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Tomsk, with 2026 drawn through them The band shows the record high and record low for each calendar day at Tomsk. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -60-40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Tomsk. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Tomsk, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan3.7 C (38.7 F)-55.0 C (-67.0 F)n/an/a
Feb7.5 C (45.5 F)-51.3 C (-60.3 F)n/an/a
Mar17.7 C (63.9 F)-42.4 C (-44.3 F)n/an/a
Apr29.5 C (85.1 F)-31.1 C (-24.0 F)n/an/a
May34.4 C (93.9 F)-17.5 C (0.5 F)n/an/a
Jun34.7 C (94.5 F)-3.5 C (25.7 F)n/an/a
Jul35.6 C (96.1 F)1.5 C (34.7 F)n/an/a
Aug33.8 C (92.8 F)-1.6 C (29.1 F)n/an/a
Sep31.7 C (89.1 F)-8.1 C (17.4 F)n/an/a
Oct25.1 C (77.2 F)-29.1 C (-20.4 F)n/an/a
Nov11.6 C (52.9 F)-48.3 C (-54.9 F)n/an/a
Dec6.5 C (43.7 F)-50.0 C (-58.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Tomsk by the year they were set 1,464 records at Tomsk still stand. 1969 holds the most, with 34. 0102030401890: 141891: 81892: 41893: 101894: 71895: 51896: 31897: 51898: 121899: 11900: 71901: 121902: 131903: 11904: 61905: 41906: 71907: 31908: 11909: 11910: 61911: 61912: 111913: 11914: 41915: 91916: 61917: 31918: 21919: 51920: 51921: 21922: 51923: 51924: 51925: 151926: 231927: 251928: 101929: 121930: 161931: 321932: 251933: 161934: 121935: 151936: 91937: 161938: 131939: 111940: 101941: 61942: 41943: 51944: 51945: 111946: 71947: 101948: 161949: 81950: 71951: 131952: 251953: 261954: 61955: 151956: 71957: 101958: 181959: 81960: 101961: 91962: 71963: 151964: 161965: 91966: 211967: 101968: 261969: 341970: 191971: 81972: 81973: 71974: 161975: 171976: 161977: 61978: 101979: 151980: 81981: 171982: 81983: 161984: 111985: 31986: 61987: 171988: 91989: 161990: 71991: 41992: 191993: 161994: 61995: 161996: 61997: 211998: 121999: 172000: 112001: 272002: 312003: 102004: 202005: 122006: 172007: 132008: 142009: 82010: 122011: 152012: 152013: 142014: 162015: 132016: 172017: 112018: 72019: 11890190319161929194219551968198119942007
1,464 records at Tomsk still stand. 1969 holds the most, with 34.
Standing records at Tomsk by the year they were set
Year setStanding records
189014
18918
18924
189310
18947
18955
18963
18975
189812
18991
19007
190112
190213
19031
19046
19054
19067
19073
19081
19091
19106
19116
191211
19131
19144
19159
19166
19173
19182
19195
19205
19212
19225
19235
19245
192515
192623
192725
192810
192912
193016
193132
193225
193316
193412
193515
19369
193716
193813
193911
194010
19416
19424
19435
19445
194511
19467
194710
194816
19498
19507
195113
195225
195326
19546
195515
19567
195710
195818
19598
196010
19619
19627
196315
196416
19659
196621
196710
196826
196934
197019
19718
19728
19737
197416
197517
197616
19776
197810
197915
19808
198117
19828
198316
198411
19853
19866
198717
19889
198916
19907
19914
199219
199316
19946
199516
19966
199721
199812
199917
200011
200127
200231
200310
200420
200512
200617
200713
200814
20098
201012
201115
201215
201314
201416
201513
201617
201711
20187
20191

All-Time Record Progression

5 new records
When Tomsk set new all-time records 5 all-time records were set at Tomsk between 6 January 1931 and 12 July 2014. Each dot is a new record. Record low minimum temperatureRecord high maximum temperatureRecord daily precipitation6 January 1931: Record low minimum temperature -55.0 C (-67.0 F)11 July 1974: Record high maximum temperature 35.0 C (95.0 F)11 July 1975: Record high maximum temperature 35.1 C (95.2 F)15 August 1994: Record daily precipitation 80.5 mm (3.2 in)12 July 2014: Record high maximum temperature 35.6 C (96.1 F)193519501965198019952010
5 all-time records were set at Tomsk between 6 January 1931 and 12 July 2014. Each dot is a new record.
When Tomsk set new all-time records
DateKindDetail
1931-01-06Record low minimum temperatureRecord low minimum temperature -55.0 C (-67.0 F)
1974-07-11Record high maximum temperatureRecord high maximum temperature 35.0 C (95.0 F)
1975-07-11Record high maximum temperatureRecord high maximum temperature 35.1 C (95.2 F)
1994-08-15Record daily precipitationRecord daily precipitation 80.5 mm (3.2 in)
2014-07-12Record high maximum temperatureRecord high maximum temperature 35.6 C (96.1 F)

Wettest Day of Each Month

Aug: 80.5 mm (3.2 in)
Record daily precipitation for each month at Tomsk The wettest day on record for each calendar month at Tomsk. The most was 80.5 mm (3.2 in) on 15 August 1994. 0255075100 Jan: 16.5 mm (0.6 in), 28 January 1912 Jan Feb: 13.8 mm (0.5 in), 28 February 2015 Feb Mar: 19.0 mm (0.7 in), 6 March 1912 Mar Apr: 24.7 mm (1.0 in), 28 April 2011 Apr May: 47.4 mm (1.9 in), 28 May 1915 May Jun: 76.1 mm (3.0 in), 2 June 1893 Jun Jul: 75.1 mm (3.0 in), 25 July 1891 Jul Aug: 80.5 mm (3.2 in), 15 August 1994 Aug Sep: 38.4 mm (1.5 in), 12 September 1991 Sep Oct: 25.9 mm (1.0 in), 2 October 1896 Oct Nov: 37.8 mm (1.5 in), 4 November 1994 Nov Dec: 19.2 mm (0.8 in), 27 December 1921 Dec
The wettest day on record for each calendar month at Tomsk. The most was 80.5 mm (3.2 in) on 15 August 1994.
Record daily precipitation for each month at Tomsk
MonthRecord daily precipitation (mm)Date
Jan16.5 mm (0.6 in)28 January 1912
Feb13.8 mm (0.5 in)28 February 2015
Mar19.0 mm (0.7 in)6 March 1912
Apr24.7 mm (1.0 in)28 April 2011
May47.4 mm (1.9 in)28 May 1915
Jun76.1 mm (3.0 in)2 June 1893
Jul75.1 mm (3.0 in)25 July 1891
Aug80.5 mm (3.2 in)15 August 1994
Sep38.4 mm (1.5 in)12 September 1991
Oct25.9 mm (1.0 in)2 October 1896
Nov37.8 mm (1.5 in)4 November 1994
Dec19.2 mm (0.8 in)27 December 1921

Period of Record Coverage

1924 to 2019
Days with data per year at Tomsk 96 years of record at Tomsk, 1924 to 2019. 6 years have data for under 90 percent of days and are left out of rankings: 1924, 1925, 1930, 1948, 1949, 2019. 1924: 122 of 366 days1925: 214 of 365 days1926: 362 of 365 days1927: 363 of 365 days1928: 366 of 366 days1929: 343 of 365 days1930: 275 of 365 days1931: 362 of 365 days1932: 366 of 366 days1933: 365 of 365 days1934: 364 of 365 days1935: 347 of 365 days1936: 366 of 366 days1937: 365 of 365 days1938: 364 of 365 days1939: 365 of 365 days1940: 366 of 366 days1941: 365 of 365 days1942: 365 of 365 days1943: 365 of 365 days1944: 366 of 366 days1945: 365 of 365 days1946: 365 of 365 days1947: 365 of 365 days1948: 302 of 366 days1949: 325 of 365 days1950: 365 of 365 days1951: 365 of 365 days1952: 366 of 366 days1953: 365 of 365 days1954: 365 of 365 days1955: 364 of 365 days1956: 366 of 366 days1957: 365 of 365 days1958: 365 of 365 days1959: 365 of 365 days1960: 365 of 366 days1961: 365 of 365 days1962: 365 of 365 days1963: 365 of 365 days1964: 366 of 366 days1965: 365 of 365 days1966: 365 of 365 days1967: 365 of 365 days1968: 366 of 366 days1969: 365 of 365 days1970: 365 of 365 days1971: 365 of 365 days1972: 366 of 366 days1973: 365 of 365 days1974: 365 of 365 days1975: 365 of 365 days1976: 366 of 366 days1977: 365 of 365 days1978: 365 of 365 days1979: 365 of 365 days1980: 366 of 366 days1981: 365 of 365 days1982: 365 of 365 days1983: 365 of 365 days1984: 366 of 366 days1985: 365 of 365 days1986: 365 of 365 days1987: 364 of 365 days1988: 366 of 366 days1989: 365 of 365 days1990: 365 of 365 days1991: 365 of 365 days1992: 366 of 366 days1993: 365 of 365 days1994: 365 of 365 days1995: 365 of 365 days1996: 366 of 366 days1997: 365 of 365 days1998: 365 of 365 days1999: 365 of 365 days2000: 366 of 366 days2001: 365 of 365 days2002: 365 of 365 days2003: 365 of 365 days2004: 366 of 366 days2005: 365 of 365 days2006: 365 of 365 days2007: 365 of 365 days2008: 366 of 366 days2009: 365 of 365 days2010: 365 of 365 days2011: 365 of 365 days2012: 366 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 365 of 365 days2016: 366 of 366 days2017: 365 of 365 days2018: 365 of 365 days2019: 181 of 365 days193519501965198019952010
96 years of record at Tomsk, 1924 to 2019. 6 years have data for under 90 percent of days and are left out of rankings: 1924, 1925, 1930, 1948, 1949, 2019.
Days with data per year at Tomsk
YearDays with dataShare of yearComplete
192412233%No
192521459%No
192636299%Yes
192736399%Yes
1928366100%Yes
192934394%Yes
193027575%No
193136299%Yes
1932366100%Yes
1933365100%Yes
1934364100%Yes
193534795%Yes
1936366100%Yes
1937365100%Yes
1938364100%Yes
1939365100%Yes
1940366100%Yes
1941365100%Yes
1942365100%Yes
1943365100%Yes
1944366100%Yes
1945365100%Yes
1946365100%Yes
1947365100%Yes
194830283%No
194932589%No
1950365100%Yes
1951365100%Yes
1952366100%Yes
1953365100%Yes
1954365100%Yes
1955364100%Yes
1956366100%Yes
1957365100%Yes
1958365100%Yes
1959365100%Yes
1960365100%Yes
1961365100%Yes
1962365100%Yes
1963365100%Yes
1964366100%Yes
1965365100%Yes
1966365100%Yes
1967365100%Yes
1968366100%Yes
1969365100%Yes
1970365100%Yes
1971365100%Yes
1972366100%Yes
1973365100%Yes
1974365100%Yes
1975365100%Yes
1976366100%Yes
1977365100%Yes
1978365100%Yes
1979365100%Yes
1980366100%Yes
1981365100%Yes
1982365100%Yes
1983365100%Yes
1984366100%Yes
1985365100%Yes
1986365100%Yes
1987364100%Yes
1988366100%Yes
1989365100%Yes
1990365100%Yes
1991365100%Yes
1992366100%Yes
1993365100%Yes
1994365100%Yes
1995365100%Yes
1996366100%Yes
1997365100%Yes
1998365100%Yes
1999365100%Yes
2000366100%Yes
2001365100%Yes
2002365100%Yes
2003365100%Yes
2004366100%Yes
2005365100%Yes
2006365100%Yes
2007365100%Yes
2008366100%Yes
2009365100%Yes
2010365100%Yes
2011365100%Yes
2012366100%Yes
2013365100%Yes
2014365100%Yes
2015365100%Yes
2016366100%Yes
2017365100%Yes
2018365100%Yes
201918150%No

Latest Records

20
Latest records at Tomsk
DateStationRecordValueBeat old record byOld record stoodSignificance
4 June 2019Tomsk, RUdaily rain20.2 mm (0.8 in)5.3 mm (0.21 in)33 years20 of 100 (Routine)
8 May 2019Tomsk, RUdaily high min (Tie)12.6 C (54.7 F)tie80 years8 of 100 (Routine)
18 April 2019Tomsk, RUdaily rain21.0 mm (0.8 in)13.2 mm (0.5 in)57 years20 of 100 (Routine)
13 April 2019Tomsk, RUdaily high max16.9 C (62.4 F)0.4 C (0.7 F)36 years20 of 100 (Routine)
27 February 2019Tomsk, RUdaily rain5.2 mm (0.20 in)0.3 mm (0.01 in)116 years20 of 100 (Routine)
14 December 2018Tomsk, RUdaily rain8.9 mm (0.35 in)0.1 mm (0.00 in)39 years20 of 100 (Routine)
6 November 2018Tomsk, RUdaily rain10.2 mm (0.4 in)0.7 mm (0.03 in)20 years18 of 100 (Routine)
5 November 2018Tomsk, RUdaily rain16.6 mm (0.7 in)3.7 mm (0.15 in)12 years20 of 100 (Routine)
3 November 2018Tomsk, RUdaily rain20.5 mm (0.8 in)6.3 mm (0.25 in)32 years20 of 100 (Routine)
29 October 2018Tomsk, RUdaily high max15.5 C (59.9 F)4.9 C (8.8 F)87 years43 of 100 (Notable)
28 October 2018Tomsk, RUdaily high max17.7 C (63.9 F)6.9 C (12.4 F)92 years47 of 100 (Notable)
27 October 2018Tomsk, RUdaily high max13.0 C (55.4 F)0.6 C (1.1 F)47 years23 of 100 (Routine)
3 August 2018Tomsk, RUdaily low min4.6 C (40.3 F)1.8 C (3.2 F)35 years25 of 100 (Routine)
24 July 2018Tomsk, RUdaily low max14.9 C (58.8 F)0.4 C (0.7 F)15 years14 of 100 (Routine)
23 June 2018Tomsk, RUmonthly high min21.3 C (70.3 F)0.9 C (1.6 F)50 years37 of 100 (Notable)
27 May 2018Tomsk, RUdaily low max5.8 C (42.4 F)0.8 C (1.4 F)79 years33 of 100 (Routine)
8 May 2018Tomsk, RUdaily rain19.6 mm (0.8 in)5.0 mm (0.20 in)40 years20 of 100 (Routine)
2 May 2018Tomsk, RUdaily rain11.0 mm (0.4 in)0.4 mm (0.02 in)99 years20 of 100 (Routine)
16 January 2018Tomsk, RUdaily rain10.5 mm (0.4 in)1.0 mm (0.04 in)16 years19 of 100 (Routine)
28 December 2017Tomsk, RUdaily rain10.3 mm (0.4 in)0.1 mm (0.00 in)54 years20 of 100 (Routine)

Climate Trend

86 complete years, 1926 to 2018
Annual mean temperature at Tomsk as warming stripes, 1926 to 2018 One stripe for each of 86 complete years at Tomsk, 1926 to 2018. Blue stripes are years cooler than the station's own mean of 0.6 C (33.2 F); red stripes are warmer. The coolest year was 1937, at -2.0 C (28.4 F), and the warmest was 2015, at 3.2 C (37.8 F). The strongest colour marks a difference of 2.7 C (4.9 F). 1926: 0.2 C, -0.5 C from the station mean1927: -0.7 C, -1.3 C from the station mean1928: -0.4 C, -1.0 C from the station mean1931: -0.8 C, -1.4 C from the station mean1932: 1.7 C, +1.1 C from the station mean1933: -1.6 C, -2.3 C from the station mean1934: 0.1 C, -0.6 C from the station mean1936: -0.1 C, -0.7 C from the station mean1937: -2.0 C, -2.6 C from the station mean1938: -0.5 C, -1.1 C from the station mean1939: 0.5 C, -0.1 C from the station mean1940: -0.3 C, -0.9 C from the station mean1941: -1.0 C, -1.7 C from the station mean1942: 0.1 C, -0.5 C from the station mean1943: 0.6 C, -0.1 C from the station mean1944: 1.0 C, +0.3 C from the station mean1945: -0.3 C, -1.0 C from the station mean1950: -0.3 C, -0.9 C from the station mean1951: 0.4 C, -0.3 C from the station mean1952: -0.9 C, -1.6 C from the station mean1953: 0.9 C, +0.3 C from the station mean1954: -1.8 C, -2.4 C from the station mean1955: 0.4 C, -0.3 C from the station mean1956: -0.2 C, -0.9 C from the station mean1957: 0.3 C, -0.4 C from the station mean1958: -0.2 C, -0.8 C from the station mean1959: -0.5 C, -1.1 C from the station mean1960: -1.1 C, -1.8 C from the station mean1961: 0.7 C, 0.0 C from the station mean1962: 1.8 C, +1.2 C from the station mean1963: 1.4 C, +0.7 C from the station mean1964: 0.6 C, 0.0 C from the station mean1965: 1.1 C, +0.4 C from the station mean1966: -1.5 C, -2.2 C from the station mean1967: 1.0 C, +0.4 C from the station mean1968: -0.7 C, -1.4 C from the station mean1969: -1.8 C, -2.4 C from the station mean1970: -0.2 C, -0.9 C from the station mean1971: 0.9 C, +0.3 C from the station mean1972: -0.6 C, -1.3 C from the station mean1973: 1.6 C, +0.9 C from the station mean1974: -1.5 C, -2.2 C from the station mean1975: 0.9 C, +0.3 C from the station mean1976: -0.4 C, -1.0 C from the station mean1977: 0.4 C, -0.3 C from the station mean1978: 1.4 C, +0.8 C from the station mean1979: 0.3 C, -0.3 C from the station mean1980: 1.0 C, +0.3 C from the station mean1981: 1.5 C, +0.9 C from the station mean1982: 1.8 C, +1.2 C from the station mean1983: 2.7 C, +2.1 C from the station mean1984: -1.3 C, -2.0 C from the station mean1985: -0.2 C, -0.8 C from the station mean1986: 0.8 C, +0.1 C from the station mean1987: 0.3 C, -0.4 C from the station mean1988: 1.4 C, +0.8 C from the station mean1989: 2.1 C, +1.4 C from the station mean1990: 2.1 C, +1.4 C from the station mean1991: 1.6 C, +0.9 C from the station mean1992: 1.6 C, +0.9 C from the station mean1993: 1.0 C, +0.4 C from the station mean1994: 1.7 C, +1.1 C from the station mean1995: 3.0 C, +2.4 C from the station mean1996: -0.1 C, -0.8 C from the station mean1997: 2.3 C, +1.6 C from the station mean1998: 0.8 C, +0.1 C from the station mean1999: 1.8 C, +1.1 C from the station mean2000: 0.8 C, +0.2 C from the station mean2001: 1.5 C, +0.8 C from the station mean2002: 2.6 C, +2.0 C from the station mean2003: 2.0 C, +1.4 C from the station mean2004: 1.8 C, +1.1 C from the station mean2005: 1.8 C, +1.2 C from the station mean2006: 0.7 C, 0.0 C from the station mean2007: 2.8 C, +2.1 C from the station mean2008: 2.2 C, +1.6 C from the station mean2009: 0.2 C, -0.4 C from the station mean2010: -0.8 C, -1.4 C from the station mean2011: 2.1 C, +1.5 C from the station mean2012: 1.1 C, +0.5 C from the station mean2013: 2.2 C, +1.6 C from the station mean2014: 1.3 C, +0.7 C from the station mean2015: 3.2 C, +2.6 C from the station mean2016: 2.2 C, +1.6 C from the station mean2017: 2.7 C, +2.1 C from the station mean2018: 0.4 C, -0.2 C from the station mean1926193019401950196019701980199020002010
One stripe for each of 86 complete years at Tomsk, 1926 to 2018. Blue stripes are years cooler than the station's own mean of 0.6 C (33.2 F); red stripes are warmer. The coolest year was 1937, at -2.0 C (28.4 F), and the warmest was 2015, at 3.2 C (37.8 F). The strongest colour marks a difference of 2.7 C (4.9 F).
Annual mean temperature at Tomsk as warming stripes, 1926 to 2018
YearAnnual mean temperatureDifference from the station mean
19260.2 C-0.45 C
1927-0.7 C-1.33 C
1928-0.4 C-1.03 C
1931-0.8 C-1.40 C
19321.7 C+1.09 C
1933-1.6 C-2.29 C
19340.1 C-0.58 C
1936-0.1 C-0.72 C
1937-2.0 C-2.64 C
1938-0.5 C-1.13 C
19390.5 C-0.13 C
1940-0.3 C-0.91 C
1941-1.0 C-1.67 C
19420.1 C-0.54 C
19430.6 C-0.09 C
19441.0 C+0.31 C
1945-0.3 C-0.96 C
1950-0.3 C-0.93 C
19510.4 C-0.27 C
1952-0.9 C-1.56 C
19530.9 C+0.29 C
1954-1.8 C-2.41 C
19550.4 C-0.25 C
1956-0.2 C-0.86 C
19570.3 C-0.38 C
1958-0.2 C-0.82 C
1959-0.5 C-1.12 C
1960-1.1 C-1.77 C
19610.7 C+0.03 C
19621.8 C+1.18 C
19631.4 C+0.72 C
19640.6 C-0.04 C
19651.1 C+0.42 C
1966-1.5 C-2.19 C
19671.0 C+0.39 C
1968-0.7 C-1.37 C
1969-1.8 C-2.40 C
1970-0.2 C-0.89 C
19710.9 C+0.27 C
1972-0.6 C-1.27 C
19731.6 C+0.92 C
1974-1.5 C-2.15 C
19750.9 C+0.26 C
1976-0.4 C-1.03 C
19770.4 C-0.25 C
19781.4 C+0.76 C
19790.3 C-0.34 C
19801.0 C+0.34 C
19811.5 C+0.88 C
19821.8 C+1.18 C
19832.7 C+2.08 C
1984-1.3 C-1.95 C
1985-0.2 C-0.80 C
19860.8 C+0.14 C
19870.3 C-0.35 C
19881.4 C+0.78 C
19892.1 C+1.44 C
19902.1 C+1.41 C
19911.6 C+0.91 C
19921.6 C+0.91 C
19931.0 C+0.40 C
19941.7 C+1.07 C
19953.0 C+2.37 C
1996-0.1 C-0.79 C
19972.3 C+1.61 C
19980.8 C+0.11 C
19991.8 C+1.15 C
20000.8 C+0.17 C
20011.5 C+0.85 C
20022.6 C+1.97 C
20032.0 C+1.38 C
20041.8 C+1.11 C
20051.8 C+1.19 C
20060.7 C+0.05 C
20072.8 C+2.11 C
20082.2 C+1.56 C
20090.2 C-0.40 C
2010-0.8 C-1.40 C
20112.1 C+1.49 C
20121.1 C+0.47 C
20132.2 C+1.59 C
20141.3 C+0.66 C
20153.2 C+2.60 C
20162.2 C+1.57 C
20172.7 C+2.07 C
20180.4 C-0.20 C

The annual mean temperature here has risen by 0.3 C (0.2 to 0.4) per decade over 1926 to 2018. In Fahrenheit: 0.5 F (0.4 to 0.6) per decade. The slope is a straight line fitted to 86 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Tomsk
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.3 C (0.2 to 0.4) per decade0.5 F (0.4 to 0.6) per decade1926 to 201886Rise
Mean daily maximum0.3 C (0.2 to 0.3) per decade0.5 F (0.3 to 0.6) per decade1926 to 201886Rise
Mean daily minimum0.3 C (0.2 to 0.4) per decade0.5 F (0.4 to 0.7) per decade1926 to 201886Rise

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1881 to 2019
Yearly extremes at Tomsk: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)35.6 C (96.1 F)201431.8 C (89.2 F)96
Coldest night (TNn)-55.0 C (-67.0 F)1931-42.2 C (-43.9 F)130
Wettest day (Rx1day)80.5 mm (3.2 in)199427.3 mm (1.1 in)139
Wettest five days (Rx5day)102.8 mm (4.0 in)199447.0 mm (1.9 in)139
Longest dry spell (CDD)57 days188120 days139

Hottest day (TXx)

Hottest day (TXx) at Tomsk by year The hottest day of the year at Tomsk, 1881 to 2019. The record is 35.6 C (96.1 F) in 2014, marked on the chart; the median year is 31.8 C (89.2 F). 262830323436190019201940196019802000Record: 35.6 C (96.1 F) in 2014
The hottest day of the year at Tomsk, 1881 to 2019. The record is 35.6 C (96.1 F) in 2014, marked on the chart; the median year is 31.8 C (89.2 F).
Hottest day (TXx) at Tomsk by year
YearHottest day (TXx)
1881n/a
1882n/a
1883n/a
1884n/a
1885n/a
1886n/a
1887n/a
1888n/a
1889n/a
1890n/a
1891n/a
1892n/a
1893n/a
1894n/a
1895n/a
1896n/a
1897n/a
1898n/a
1899n/a
1900n/a
1901n/a
1902n/a
1903n/a
1904n/a
1905n/a
1906n/a
1907n/a
1908n/a
1909n/a
1910n/a
1911n/a
1912n/a
1913n/a
1914n/a
1915n/a
1916n/a
1917n/a
1918n/a
1919n/a
1920n/a
1921n/a
1922n/a
1923n/a
192427.7 C (81.9 F)
192532.0 C (89.6 F)
192633.9 C (93.0 F)
192732.6 C (90.7 F)
192831.4 C (88.5 F)
192931.1 C (88.0 F)
193030.4 C (86.7 F)
193134.7 C (94.5 F)
193232.6 C (90.7 F)
193331.6 C (88.9 F)
193431.7 C (89.1 F)
193532.7 C (90.9 F)
193632.3 C (90.1 F)
193729.7 C (85.5 F)
193828.7 C (83.7 F)
193930.6 C (87.1 F)
194033.4 C (92.1 F)
194129.2 C (84.6 F)
194230.3 C (86.5 F)
194331.4 C (88.5 F)
194431.2 C (88.2 F)
194528.9 C (84.0 F)
194631.2 C (88.2 F)
194728.5 C (83.3 F)
194832.6 C (90.7 F)
194929.2 C (84.6 F)
195028.8 C (83.8 F)
195132.2 C (90.0 F)
195232.4 C (90.3 F)
195334.0 C (93.2 F)
195429.7 C (85.5 F)
195532.5 C (90.5 F)
195631.4 C (88.5 F)
195732.0 C (89.6 F)
195831.2 C (88.2 F)
195930.8 C (87.4 F)
196030.2 C (86.4 F)
196132.6 C (90.7 F)
196231.8 C (89.2 F)
196332.7 C (90.9 F)
196430.6 C (87.1 F)
196533.9 C (93.0 F)
196630.9 C (87.6 F)
196734.2 C (93.6 F)
196832.7 C (90.9 F)
196934.4 C (93.9 F)
197030.4 C (86.7 F)
197131.4 C (88.5 F)
197233.0 C (91.4 F)
197331.2 C (88.2 F)
197435.0 C (95.0 F)
197535.1 C (95.2 F)
197632.3 C (90.1 F)
197733.5 C (92.3 F)
197831.8 C (89.2 F)
197931.7 C (89.1 F)
198032.0 C (89.6 F)
198131.8 C (89.2 F)
198232.6 C (90.7 F)
198332.4 C (90.3 F)
198430.4 C (86.7 F)
198529.2 C (84.6 F)
198631.0 C (87.8 F)
198730.4 C (86.7 F)
198830.1 C (86.2 F)
198934.0 C (93.2 F)
199032.4 C (90.3 F)
199131.8 C (89.2 F)
199230.8 C (87.4 F)
199332.6 C (90.7 F)
199433.2 C (91.8 F)
199531.7 C (89.1 F)
199630.9 C (87.6 F)
199730.7 C (87.3 F)
199833.8 C (92.8 F)
199933.5 C (92.3 F)
200031.2 C (88.2 F)
200131.9 C (89.4 F)
200233.4 C (92.1 F)
200332.5 C (90.5 F)
200434.4 C (93.9 F)
200531.7 C (89.1 F)
200631.8 C (89.2 F)
200732.1 C (89.8 F)
200831.2 C (88.2 F)
200930.9 C (87.6 F)
201031.7 C (89.1 F)
201130.3 C (86.5 F)
201232.4 C (90.3 F)
201329.5 C (85.1 F)
201435.6 C (96.1 F)
201533.2 C (91.8 F)
201632.2 C (90.0 F)
201732.3 C (90.1 F)
201831.4 C (88.5 F)
201928.6 C (83.5 F)

Coldest night (TNn)

Coldest night (TNn) at Tomsk by year The coldest night of the year at Tomsk, 1881 to 2019. The record is -55.0 C (-67.0 F) in 1931, marked on the chart; the median year is -42.2 C (-43.9 F). -60-50-40-30-20190019201940196019802000Record: -55.0 C (-67.0 F) in 1931
The coldest night of the year at Tomsk, 1881 to 2019. The record is -55.0 C (-67.0 F) in 1931, marked on the chart; the median year is -42.2 C (-43.9 F).
Coldest night (TNn) at Tomsk by year
YearColdest night (TNn)
1881n/a
1882n/a
1883n/a
1884n/a
1885n/a
1886n/a
1887n/a
1888n/a
1889n/a
1890-42.6 C (-44.7 F)
1891-41.1 C (-42.0 F)
1892-43.2 C (-45.8 F)
1893-47.0 C (-52.6 F)
1894-46.7 C (-52.1 F)
1895-46.9 C (-52.4 F)
1896-41.6 C (-42.9 F)
1897-45.2 C (-49.4 F)
1898-44.9 C (-48.8 F)
1899-43.4 C (-46.1 F)
1900-47.1 C (-52.8 F)
1901-42.0 C (-43.6 F)
1902-49.4 C (-56.9 F)
1903-41.9 C (-43.4 F)
1904-38.3 C (-36.9 F)
1905-39.4 C (-38.9 F)
1906-45.9 C (-50.6 F)
1907-43.6 C (-46.5 F)
1908-44.9 C (-48.8 F)
1909-45.3 C (-49.5 F)
1910-47.3 C (-53.1 F)
1911-42.1 C (-43.8 F)
1912-44.6 C (-48.3 F)
1913-40.2 C (-40.4 F)
1914-39.3 C (-38.7 F)
1915-51.9 C (-61.4 F)
1916-45.4 C (-49.7 F)
1917-41.7 C (-43.1 F)
1918-40.4 C (-40.7 F)
1919-44.0 C (-47.2 F)
1920-45.1 C (-49.2 F)
1921-35.8 C (-32.4 F)
1922-42.2 C (-44.0 F)
1923-47.6 C (-53.7 F)
1924-38.8 C (-37.8 F)
1925-39.1 C (-38.4 F)
1926-38.7 C (-37.7 F)
1927-42.0 C (-43.6 F)
1928-44.2 C (-47.6 F)
1929-47.9 C (-54.2 F)
1930-47.1 C (-52.8 F)
1931-55.0 C (-67.0 F)
1932-42.3 C (-44.1 F)
1933-48.6 C (-55.5 F)
1934-42.3 C (-44.1 F)
1935-46.0 C (-50.8 F)
1936-44.5 C (-48.1 F)
1937-41.6 C (-42.9 F)
1938-50.0 C (-58.0 F)
1939-43.9 C (-47.0 F)
1940-44.2 C (-47.6 F)
1941-41.2 C (-42.2 F)
1942-39.6 C (-39.3 F)
1943-39.3 C (-38.7 F)
1944-41.4 C (-42.5 F)
1945-48.5 C (-55.3 F)
1946-42.5 C (-44.5 F)
1947-44.8 C (-48.6 F)
1948-45.7 C (-50.3 F)
1949-46.0 C (-50.8 F)
1950-41.4 C (-42.5 F)
1951-51.3 C (-60.3 F)
1952-48.3 C (-54.9 F)
1953-39.6 C (-39.3 F)
1954-42.5 C (-44.5 F)
1955-45.3 C (-49.5 F)
1956-43.1 C (-45.6 F)
1957-47.2 C (-53.0 F)
1958-47.3 C (-53.1 F)
1959-41.3 C (-42.3 F)
1960-44.0 C (-47.2 F)
1961-43.7 C (-46.7 F)
1962-38.3 C (-36.9 F)
1963-39.0 C (-38.2 F)
1964-33.8 C (-28.8 F)
1965-43.2 C (-45.8 F)
1966-46.1 C (-51.0 F)
1967-38.9 C (-38.0 F)
1968-48.2 C (-54.8 F)
1969-47.5 C (-53.5 F)
1970-39.6 C (-39.3 F)
1971-43.8 C (-46.8 F)
1972-44.8 C (-48.6 F)
1973-40.1 C (-40.2 F)
1974-42.7 C (-44.9 F)
1975-42.2 C (-44.0 F)
1976-44.4 C (-47.9 F)
1977-45.3 C (-49.5 F)
1978-42.1 C (-43.8 F)
1979-46.6 C (-51.9 F)
1980-38.1 C (-36.6 F)
1981-34.3 C (-29.7 F)
1982-37.1 C (-34.8 F)
1983-27.5 C (-17.5 F)
1984-44.9 C (-48.8 F)
1985-37.1 C (-34.8 F)
1986-41.5 C (-42.7 F)
1987-42.1 C (-43.8 F)
1988-38.7 C (-37.7 F)
1989-34.8 C (-30.6 F)
1990-39.1 C (-38.4 F)
1991-42.3 C (-44.1 F)
1992-32.2 C (-26.0 F)
1993-37.0 C (-34.6 F)
1994-36.3 C (-33.3 F)
1995-32.4 C (-26.3 F)
1996-40.8 C (-41.4 F)
1997-38.9 C (-38.0 F)
1998-40.6 C (-41.1 F)
1999-43.6 C (-46.5 F)
2000-42.9 C (-45.2 F)
2001-46.7 C (-52.1 F)
2002-39.5 C (-39.1 F)
2003-36.2 C (-33.2 F)
2004-35.0 C (-31.0 F)
2005-34.7 C (-30.5 F)
2006-44.6 C (-48.3 F)
2007-34.1 C (-29.4 F)
2008-40.4 C (-40.7 F)
2009-41.3 C (-42.3 F)
2010-41.1 C (-42.0 F)
2011-36.3 C (-33.3 F)
2012-40.2 C (-40.4 F)
2013-33.9 C (-29.0 F)
2014-38.0 C (-36.4 F)
2015-35.8 C (-32.4 F)
2016-41.5 C (-42.7 F)
2017-34.2 C (-29.6 F)
2018-38.3 C (-36.9 F)
2019-42.1 C (-43.8 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Tomsk by year The wettest day of the year at Tomsk, 1881 to 2019. The record is 80.5 mm (3.2 in) in 1994, marked on the chart; the median year is 27.3 mm (1.1 in). 020406080100190019201940196019802000Record: 80.5 mm (3.2 in) in 1994
The wettest day of the year at Tomsk, 1881 to 2019. The record is 80.5 mm (3.2 in) in 1994, marked on the chart; the median year is 27.3 mm (1.1 in).
Wettest day (Rx1day) at Tomsk by year
YearWettest day (Rx1day)
188129.4 mm (1.2 in)
188235.2 mm (1.4 in)
188321.4 mm (0.8 in)
188415.0 mm (0.6 in)
188537.6 mm (1.5 in)
188633.5 mm (1.3 in)
188718.4 mm (0.7 in)
188822.8 mm (0.9 in)
188934.4 mm (1.4 in)
189018.6 mm (0.7 in)
189175.1 mm (3.0 in)
189218.4 mm (0.7 in)
189376.1 mm (3.0 in)
189436.8 mm (1.4 in)
189524.4 mm (1.0 in)
189639.0 mm (1.5 in)
189725.1 mm (1.0 in)
189822.6 mm (0.9 in)
189928.4 mm (1.1 in)
190017.0 mm (0.7 in)
190135.8 mm (1.4 in)
190228.7 mm (1.1 in)
190331.1 mm (1.2 in)
190425.9 mm (1.0 in)
190522.9 mm (0.9 in)
190623.5 mm (0.9 in)
190726.7 mm (1.1 in)
190833.7 mm (1.3 in)
190945.9 mm (1.8 in)
191024.2 mm (1.0 in)
191119.1 mm (0.8 in)
191223.2 mm (0.9 in)
191343.2 mm (1.7 in)
191431.6 mm (1.2 in)
191547.4 mm (1.9 in)
191638.5 mm (1.5 in)
191732.9 mm (1.3 in)
191817.8 mm (0.7 in)
191932.6 mm (1.3 in)
192025.2 mm (1.0 in)
192131.1 mm (1.2 in)
192229.0 mm (1.1 in)
192341.3 mm (1.6 in)
192419.4 mm (0.8 in)
192533.4 mm (1.3 in)
192617.8 mm (0.7 in)
192719.8 mm (0.8 in)
192828.2 mm (1.1 in)
192938.9 mm (1.5 in)
193020.6 mm (0.8 in)
193116.5 mm (0.6 in)
193215.4 mm (0.6 in)
193322.4 mm (0.9 in)
193430.4 mm (1.2 in)
193519.1 mm (0.8 in)
193627.1 mm (1.1 in)
193726.0 mm (1.0 in)
193822.0 mm (0.9 in)
193922.8 mm (0.9 in)
194033.4 mm (1.3 in)
194129.0 mm (1.1 in)
194227.3 mm (1.1 in)
194324.0 mm (0.9 in)
194421.7 mm (0.9 in)
194543.5 mm (1.7 in)
194636.7 mm (1.4 in)
194742.9 mm (1.7 in)
194813.5 mm (0.5 in)
194945.0 mm (1.8 in)
195019.4 mm (0.8 in)
195123.6 mm (0.9 in)
195235.4 mm (1.4 in)
195331.2 mm (1.2 in)
195417.7 mm (0.7 in)
195554.9 mm (2.2 in)
195642.6 mm (1.7 in)
195715.9 mm (0.6 in)
195872.8 mm (2.9 in)
195918.2 mm (0.7 in)
196023.1 mm (0.9 in)
196124.4 mm (1.0 in)
196216.1 mm (0.6 in)
196329.2 mm (1.1 in)
196421.4 mm (0.8 in)
196557.3 mm (2.3 in)
196617.7 mm (0.7 in)
196731.2 mm (1.2 in)
196820.1 mm (0.8 in)
196922.2 mm (0.9 in)
197061.3 mm (2.4 in)
197117.4 mm (0.7 in)
197238.1 mm (1.5 in)
197324.8 mm (1.0 in)
197427.3 mm (1.1 in)
197530.3 mm (1.2 in)
197642.5 mm (1.7 in)
197738.2 mm (1.5 in)
197829.1 mm (1.1 in)
197924.7 mm (1.0 in)
198055.1 mm (2.2 in)
198117.6 mm (0.7 in)
198242.8 mm (1.7 in)
198324.7 mm (1.0 in)
198427.1 mm (1.1 in)
198530.1 mm (1.2 in)
198623.8 mm (0.9 in)
198753.7 mm (2.1 in)
198836.9 mm (1.5 in)
198948.4 mm (1.9 in)
199021.8 mm (0.9 in)
199138.4 mm (1.5 in)
199246.2 mm (1.8 in)
199332.8 mm (1.3 in)
199480.5 mm (3.2 in)
199534.7 mm (1.4 in)
199629.1 mm (1.1 in)
199727.3 mm (1.1 in)
199818.9 mm (0.7 in)
199918.2 mm (0.7 in)
200019.4 mm (0.8 in)
200125.8 mm (1.0 in)
200244.7 mm (1.8 in)
200328.0 mm (1.1 in)
200429.0 mm (1.1 in)
200539.5 mm (1.6 in)
200623.7 mm (0.9 in)
200724.2 mm (1.0 in)
200818.9 mm (0.7 in)
200932.0 mm (1.3 in)
201014.9 mm (0.6 in)
201147.2 mm (1.9 in)
201230.3 mm (1.2 in)
201316.7 mm (0.7 in)
201435.5 mm (1.4 in)
201539.0 mm (1.5 in)
201618.6 mm (0.7 in)
201720.4 mm (0.8 in)
201820.5 mm (0.8 in)
201921.0 mm (0.8 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Tomsk by year The wettest five days of the year at Tomsk, 1881 to 2019. The record is 102.8 mm (4.0 in) in 1994, marked on the chart; the median year is 47.0 mm (1.9 in). 20406080100120190019201940196019802000Record: 102.8 mm (4.0 in) in 1994
The wettest five days of the year at Tomsk, 1881 to 2019. The record is 102.8 mm (4.0 in) in 1994, marked on the chart; the median year is 47.0 mm (1.9 in).
Wettest five days (Rx5day) at Tomsk by year
YearWettest five days (Rx5day)
188139.5 mm (1.6 in)
188247.7 mm (1.9 in)
188334.9 mm (1.4 in)
188433.5 mm (1.3 in)
188550.3 mm (2.0 in)
188640.7 mm (1.6 in)
188734.5 mm (1.4 in)
188838.9 mm (1.5 in)
188954.3 mm (2.1 in)
189042.8 mm (1.7 in)
1891101.9 mm (4.0 in)
189242.0 mm (1.7 in)
189382.4 mm (3.2 in)
189480.3 mm (3.2 in)
189553.4 mm (2.1 in)
189648.9 mm (1.9 in)
189759.0 mm (2.3 in)
189844.0 mm (1.7 in)
189944.8 mm (1.8 in)
190032.9 mm (1.3 in)
190148.7 mm (1.9 in)
190256.1 mm (2.2 in)
190369.4 mm (2.7 in)
190436.6 mm (1.4 in)
190538.7 mm (1.5 in)
190650.5 mm (2.0 in)
190744.5 mm (1.8 in)
190837.0 mm (1.5 in)
190985.0 mm (3.3 in)
191033.7 mm (1.3 in)
191139.6 mm (1.6 in)
191273.9 mm (2.9 in)
191361.7 mm (2.4 in)
191453.6 mm (2.1 in)
191562.4 mm (2.5 in)
191646.9 mm (1.8 in)
191749.2 mm (1.9 in)
191837.6 mm (1.5 in)
191964.7 mm (2.5 in)
192044.5 mm (1.8 in)
192155.9 mm (2.2 in)
192248.9 mm (1.9 in)
192355.0 mm (2.2 in)
192429.2 mm (1.1 in)
192539.6 mm (1.6 in)
192631.9 mm (1.3 in)
192741.1 mm (1.6 in)
192856.2 mm (2.2 in)
192956.2 mm (2.2 in)
193032.2 mm (1.3 in)
193134.5 mm (1.4 in)
193230.9 mm (1.2 in)
193359.5 mm (2.3 in)
193449.6 mm (2.0 in)
193533.4 mm (1.3 in)
193632.6 mm (1.3 in)
193732.7 mm (1.3 in)
193840.5 mm (1.6 in)
193945.3 mm (1.8 in)
194070.3 mm (2.8 in)
194159.8 mm (2.4 in)
194272.9 mm (2.9 in)
194335.6 mm (1.4 in)
194438.7 mm (1.5 in)
194545.8 mm (1.8 in)
194654.9 mm (2.2 in)
194764.8 mm (2.6 in)
194837.3 mm (1.5 in)
194960.4 mm (2.4 in)
195040.4 mm (1.6 in)
195148.1 mm (1.9 in)
195247.0 mm (1.9 in)
195353.1 mm (2.1 in)
195439.3 mm (1.5 in)
195561.2 mm (2.4 in)
195655.6 mm (2.2 in)
195735.7 mm (1.4 in)
195879.1 mm (3.1 in)
195927.5 mm (1.1 in)
196033.3 mm (1.3 in)
196131.9 mm (1.3 in)
196232.5 mm (1.3 in)
196346.0 mm (1.8 in)
196432.2 mm (1.3 in)
196571.0 mm (2.8 in)
196626.2 mm (1.0 in)
196759.0 mm (2.3 in)
196837.2 mm (1.5 in)
196937.3 mm (1.5 in)
197077.2 mm (3.0 in)
197132.0 mm (1.3 in)
197255.5 mm (2.2 in)
197354.1 mm (2.1 in)
197455.5 mm (2.2 in)
197532.5 mm (1.3 in)
197665.2 mm (2.6 in)
197748.2 mm (1.9 in)
197842.4 mm (1.7 in)
197938.5 mm (1.5 in)
198067.6 mm (2.7 in)
198135.1 mm (1.4 in)
198266.6 mm (2.6 in)
198331.5 mm (1.2 in)
198461.0 mm (2.4 in)
198542.1 mm (1.7 in)
198637.6 mm (1.5 in)
198791.9 mm (3.6 in)
198854.0 mm (2.1 in)
198949.8 mm (2.0 in)
199065.5 mm (2.6 in)
199155.2 mm (2.2 in)
199269.7 mm (2.7 in)
199347.4 mm (1.9 in)
1994102.8 mm (4.0 in)
199541.9 mm (1.6 in)
199655.3 mm (2.2 in)
199742.2 mm (1.7 in)
199838.2 mm (1.5 in)
199931.5 mm (1.2 in)
200034.3 mm (1.4 in)
200148.7 mm (1.9 in)
200277.7 mm (3.1 in)
200334.4 mm (1.4 in)
200449.8 mm (2.0 in)
200546.1 mm (1.8 in)
200660.8 mm (2.4 in)
200752.0 mm (2.0 in)
200838.8 mm (1.5 in)
200953.2 mm (2.1 in)
201034.4 mm (1.4 in)
201190.3 mm (3.6 in)
201248.8 mm (1.9 in)
201346.1 mm (1.8 in)
201453.4 mm (2.1 in)
201552.0 mm (2.0 in)
201631.1 mm (1.2 in)
201741.9 mm (1.6 in)
201848.8 mm (1.9 in)
201945.9 mm (1.8 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Tomsk by year The longest dry spell of the year at Tomsk, 1881 to 2019. The record is 57 days in 1881, marked on the chart; the median year is 20 days. 0204060190019201940196019802000Record: 57 days in 1881
The longest dry spell of the year at Tomsk, 1881 to 2019. The record is 57 days in 1881, marked on the chart; the median year is 20 days.
Longest dry spell (CDD) at Tomsk by year
YearLongest dry spell (CDD)
188157 days
188240 days
188329 days
188434 days
188535 days
188638 days
188719 days
188828 days
188928 days
189012 days
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197224 days
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197424 days
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199824 days
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200213 days
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200419 days
200521 days
200614 days
200712 days
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200919 days
201028 days
201120 days
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201414 days
201515 days
201615 days
201720 days
201818 days
201916 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

86 years with a frost

Across 86 years with a frost, the median last spring frost at Tomsk falls on 23 May and the median first autumn frost on 20 September, which leaves a median of 118 days between them.

In 1989 to 2018 the median growing season was 127 days. That is 11 days more than in 1926 to 1962.

Fitted over all years, the growing season changes by +1.6 days per decade at this station.

Frost dates and growing season at Tomsk
MeasureMedian, all yearsEarliest period (1926 to 1962)Recent period (1989 to 2018)Recent against earliestFitted trend
Last spring frost23 May24 May18 May6 days earlier-1.1 days per decade
First autumn frost20 September20 September20 Septemberno change+0.4 days per decade
Growing days118 days116 days127 days11 days more+1.6 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Rainfall Return Levels

138 years, 1881 to 2018

A day with at least 27.5 mm (1.1 in) of rain is expected about once in 2 years. A day with at least 77.8 mm (3.1 in) of rain is expected about once in 100 years.

Rainfall return levels at Tomsk: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years27.5 mm (1.1 in)
5 years38.2 mm (1.5 in)
10 years46.3 mm (1.8 in)
25 years57.8 mm (2.3 in)
50 years67.3 mm (2.6 in)
100 years77.8 mm (3.1 in)

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 138 years of values from 1881 to 2018.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 80.5 mm (3.2 in) in 1994; 76.1 mm (3.0 in) in 1893; 75.1 mm (3.0 in) in 1891.

Station Changes

1 suspected

One change was suspected in the annual mean temperature of Tomsk, at 1956. Each is measured against neighbouring stations.

  • Relative to 5 neighbouring stations, the station's annual mean temperature from 1956 ran 0.2 C (0.3 F) higher than in the years before (likely change).
Suspected changes in the annual mean temperature at Tomsk, against neighbouring stations
YearShift (C)Shift (F)StrengthNeighbours
1956+0.2+0.3likely5

Possible change at the station (a move, a new instrument or a new site); the record is kept as measured. A "likely" change has a larger test statistic than a "possible" one. Neither says why the station differs from its neighbours. How changes are found, and the largest ones.

Climate Twins

2004 to 2018 against 1961 to 1990

Over 2004 to 2018, Tomsk had a mean temperature of 1.6 C (34.9 F) and 596.4 mm (23.5 in) of rain a year. The 3 stations whose 1961 to 1990 climate was closest to that are Kuzedeevo (Russia, 385 km away), Turinsk (Russia, 1,281 km away) and Tyumen Amsg (Russia, 1,180 km away).

Climate twins of Tomsk: stations whose 1961 to 1990 climate is closest to its 2004 to 2018 climate
Twin stationCountryDistance awayMean temperature, 1961-1990Rain a year, 1961-1990Climate difference
KuzedeevoRussia385 km (239 mi)1.8 C (35.2 F)655.4 mm (25.8 in)1.15
TurinskRussia1,281 km (796 mi)1.2 C (34.2 F)494.6 mm (19.5 in)1.16
Tyumen AmsgRussia1,180 km (733 mi)1.6 C (34.8 F)465.5 mm (18.3 in)1.17

Twins are stations, not cities. A twin is one of the three stations at least 100 km away whose earlier climate is closest to this station's recent one, so a close match does not mean the two places look alike in other ways. A station move or a gap in a record can change that station's averages. The list describes past climate; it is not a forecast and does not say what caused any change. How twins are found, and a search for any station.

Download the Data

  • Data for Tomsk standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Tomsk threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).