Nikolsk Weather Records (RSM00027066)

Record envelope, standing records and threshold days for Nikolsk (RSM00027066), Russia, with 90 years of record.

Key Facts for Nikolsk

Nikolsk (RSM00027066) is a weather station in Russia at 59.53 latitude and 45.45 longitude, 141 m (463 ft) above sea level.
The station reports from 1936 to 2025, 90 years of record.
1,464 records set at Nikolsk still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Nikolsk set a daily record high minimum temperature of 16.6 C (61.9 F) on 9 June 2025.

About the Station

Location: Russia, 59.53 latitude, 45.45 longitude.
Elevation: 141 m (463 ft).
Period of record: 1936 to 2025, 90 years.
Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

4 days at or beyond a record

The band shows the record high and record low for each calendar day at Nikolsk. The lines show the 2026 daily maximum and minimum. 4 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Nikolsk, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	7.9 C (46.2 F)	-46.0 C (-50.8 F)	3.8 C (38.8 F)	-27.2 C (-17.0 F)
Feb	10.4 C (50.7 F)	-45.4 C (-49.7 F)	2.2 C (36.0 F)	-24.8 C (-12.6 F)
Mar	16.2 C (61.2 F)	-40.1 C (-40.2 F)	14.2 C (57.6 F)	-16.5 C (2.3 F)
Apr	27.4 C (81.3 F)	-31.5 C (-24.7 F)	22.1 C (71.8 F)	-8.0 C (17.6 F)
May	32.1 C (89.8 F)	-11.1 C (12.0 F)	29.3 C (84.7 F)	-6.0 C (21.2 F)
Jun	34.8 C (94.6 F)	-3.6 C (25.5 F)	28.5 C (83.3 F)	1.1 C (34.0 F)
Jul	37.4 C (99.3 F)	-0.5 C (31.1 F)	29.9 C (85.8 F)	4.6 C (40.3 F)
Aug	36.4 C (97.5 F)	-2.3 C (27.9 F)	31.2 C (88.2 F)	1.9 C (35.4 F)
Sep	30.5 C (86.9 F)	-8.1 C (17.4 F)	n/a	n/a
Oct	23.3 C (73.9 F)	-21.1 C (-6.0 F)	n/a	n/a
Nov	11.5 C (52.7 F)	-36.7 C (-34.1 F)	n/a	n/a
Dec	7.5 C (45.5 F)	-48.5 C (-55.3 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Nikolsk still stand. 2010 holds the most, with 44.

Standing records at Nikolsk by the year they were set
Year set	Standing records
1936	16
1937	18
1938	25
1939	23
1940	15
1941	27
1942	14
1943	3
1944	12
1945	17
1946	20
1947	7
1948	25
1949	12
1950	15
1951	19
1952	12
1953	8
1954	14
1955	23
1956	15
1957	23
1958	12
1959	14
1960	6
1961	13
1962	12
1963	31
1964	9
1965	9
1966	17
1967	19
1968	24
1969	24
1970	11
1971	19
1972	27
1973	27
1974	14
1975	11
1976	18
1977	13
1978	17
1979	29
1980	11
1981	15
1982	20
1983	27
1984	9
1985	7
1986	12
1987	24
1988	11
1989	10
1990	18
1991	23
1992	10
1993	16
1994	6
1995	21
1996	9
1997	12
1998	37
1999	21
2000	22
2001	11
2002	19
2003	12
2004	9
2005	19
2006	27
2007	27
2008	20
2009	12
2010	44
2011	8
2012	15
2013	12
2014	18
2015	32
2016	9
2017	6
2018	7
2019	7
2020	12
2021	15
2022	8
2023	6
2024	19
2025	10

All-Time Record Progression

10 new records

10 all-time records were set at Nikolsk between 3 July 1974 and 8 July 2020. Each dot is a new record.

When Nikolsk set new all-time records
Date	Kind	Detail
1974-07-03	Record high minimum temperature	Record high minimum temperature 20.3 C (68.5 F)
1978-12-30	Record low maximum temperature	Record low maximum temperature -39.7 C (-39.5 F)
1978-12-30	Record low minimum temperature	Record low minimum temperature -46.1 C (-51.0 F)
1978-12-31	Record low minimum temperature	Record low minimum temperature -48.5 C (-55.3 F)
1981-07-23	Record high minimum temperature	Record high minimum temperature 21.2 C (70.2 F)
1987-01-10	Record low maximum temperature	Record low maximum temperature -41.0 C (-41.8 F)
1998-07-19	Record high minimum temperature	Record high minimum temperature 21.4 C (70.5 F)
2000-07-22	Record high minimum temperature	Record high minimum temperature 21.5 C (70.7 F)
2002-07-26	Record high minimum temperature	Record high minimum temperature 21.6 C (70.9 F)
2020-07-08	Record high maximum temperature	Record high maximum temperature 37.4 C (99.3 F)

Wettest Day of Each Month

Jun: 57.7 mm (2.3 in)

The wettest day on record for each calendar month at Nikolsk. The most was 57.7 mm (2.3 in) on 19 June 1963.

Record daily precipitation for each month at Nikolsk
Month	Record daily precipitation (mm)	Date
Jan	21.0 mm (0.8 in)	18 January 1944
Feb	17.4 mm (0.7 in)	26 February 2002
Mar	17.0 mm (0.7 in)	10 March 2005
Apr	30.7 mm (1.2 in)	20 April 2005
May	35.1 mm (1.4 in)	28 May 2022
Jun	57.7 mm (2.3 in)	19 June 1963
Jul	53.1 mm (2.1 in)	27 July 1995
Aug	56.7 mm (2.2 in)	4 August 2009
Sep	48.6 mm (1.9 in)	15 September 1952
Oct	44.4 mm (1.7 in)	6 October 1952
Nov	26.5 mm (1.0 in)	20 November 1995
Dec	17.7 mm (0.7 in)	10 December 1939

Period of Record Coverage

1936 to 2025

90 years of record at Nikolsk, 1936 to 2025. 7 years have data for under 90 percent of days and are left out of rankings: 2019, 2020, 2021, 2022, 2023, 2024, 2025.

Days with data per year at Nikolsk
Year	Days with data	Share of year	Complete
1936	366	100%	Yes
1937	365	100%	Yes
1938	365	100%	Yes
1939	365	100%	Yes
1940	366	100%	Yes
1941	365	100%	Yes
1942	365	100%	Yes
1943	365	100%	Yes
1944	366	100%	Yes
1945	365	100%	Yes
1946	365	100%	Yes
1947	365	100%	Yes
1948	366	100%	Yes
1949	365	100%	Yes
1950	364	100%	Yes
1951	364	100%	Yes
1952	366	100%	Yes
1953	365	100%	Yes
1954	365	100%	Yes
1955	365	100%	Yes
1956	365	100%	Yes
1957	365	100%	Yes
1958	364	100%	Yes
1959	365	100%	Yes
1960	366	100%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	365	100%	Yes
1966	364	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
1970	365	100%	Yes
1971	364	100%	Yes
1972	365	100%	Yes
1973	365	100%	Yes
1974	364	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	366	100%	Yes
1985	365	100%	Yes
1986	365	100%	Yes
1987	365	100%	Yes
1988	366	100%	Yes
1989	365	100%	Yes
1990	365	100%	Yes
1991	365	100%	Yes
1992	366	100%	Yes
1993	365	100%	Yes
1994	365	100%	Yes
1995	365	100%	Yes
1996	366	100%	Yes
1997	365	100%	Yes
1998	365	100%	Yes
1999	365	100%	Yes
2000	366	100%	Yes
2001	365	100%	Yes
2002	365	100%	Yes
2003	365	100%	Yes
2004	366	100%	Yes
2005	360	99%	Yes
2006	341	93%	Yes
2007	350	96%	Yes
2008	357	98%	Yes
2009	353	97%	Yes
2010	365	100%	Yes
2011	365	100%	Yes
2012	366	100%	Yes
2013	365	100%	Yes
2014	365	100%	Yes
2015	365	100%	Yes
2016	366	100%	Yes
2017	365	100%	Yes
2018	365	100%	Yes
2019	306	84%	No
2020	273	75%	No
2021	277	76%	No
2022	300	82%	No
2023	291	80%	No
2024	271	74%	No
2025	201	55%	No

Latest Records

Latest records at Nikolsk
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 June 2025	Nikolsk, RU	daily high min	16.6 C (61.9 F)	1.1 C (2.0 F)	12 years	14 of 100 (Routine)
11 May 2025	Nikolsk, RU	daily rain	23.1 mm (0.9 in)	3.5 mm (0.14 in)	63 years	20 of 100 (Routine)
19 April 2025	Nikolsk, RU	daily high max	22.1 C (71.8 F)	0.7 C (1.3 F)	26 years	17 of 100 (Routine)
9 April 2025	Nikolsk, RU	daily rain	17.0 mm (0.7 in)	7.6 mm (0.30 in)	51 years	20 of 100 (Routine)
2 April 2025	Nikolsk, RU	daily high min	3.1 C (37.6 F)	0.4 C (0.7 F)	74 years	31 of 100 (Routine)
14 March 2025	Nikolsk, RU	daily high max	8.2 C (46.8 F)	0.4 C (0.7 F)	22 years	15 of 100 (Routine)
2 February 2025	Nikolsk, RU	daily rain	9.9 mm (0.39 in)	5.1 mm (0.20 in)	44 years	20 of 100 (Routine)
2 February 2025	Nikolsk, RU	daily high min	0.1 C (32.2 F)	2.2 C (4.0 F)	35 years	21 of 100 (Routine)
1 February 2025	Nikolsk, RU	daily high max	2.1 C (35.8 F)	0.5 C (0.9 F)	64 years	28 of 100 (Routine)
31 January 2025	Nikolsk, RU	monthly high min	1.2 C (34.2 F)	0.1 C (0.2 F)	54 years	35 of 100 (Notable)
30 January 2025	Nikolsk, RU	daily high min	0.6 C (33.1 F)	1.3 C (2.3 F)	44 years	23 of 100 (Routine)
29 January 2025	Nikolsk, RU	daily high min	-1.0 C (30.2 F)	0.1 C (0.2 F)	76 years	31 of 100 (Routine)
28 January 2025	Nikolsk, RU	daily high max	2.5 C (36.5 F)	0.9 C (1.6 F)	54 years	26 of 100 (Routine)
17 January 2025	Nikolsk, RU	daily rain	8.4 mm (0.33 in)	1.3 mm (0.05 in)	1 year	15 of 100 (Routine)
13 January 2025	Nikolsk, RU	daily rain	6.1 mm (0.24 in)	0.4 mm (0.02 in)	16 years	15 of 100 (Routine)
2 January 2025	Nikolsk, RU	daily rain	8.4 mm (0.33 in)	0.4 mm (0.02 in)	21 years	17 of 100 (Routine)
2 December 2024	Nikolsk, RU	daily high min (Tie)	0.8 C (33.4 F)	tie	48 years	5 of 100 (Routine)
24 November 2024	Nikolsk, RU	daily rain	17.0 mm (0.7 in)	8.8 mm (0.35 in)	51 years	20 of 100 (Routine)
22 November 2024	Nikolsk, RU	daily high max	6.2 C (43.2 F)	0.5 C (0.9 F)	28 years	16 of 100 (Routine)
22 November 2024	Nikolsk, RU	daily rain	8.9 mm (0.35 in)	0.2 mm (0.01 in)	15 years	12 of 100 (Routine)

Climate Trend

81 complete years, 1936 to 2018

One stripe for each of 81 complete years at Nikolsk, 1936 to 2018. Blue stripes are years cooler than the station's own mean of 2.2 C (36.0 F); red stripes are warmer. The coolest year was 1941, at -1.5 C (29.2 F), and the warmest was 2008, at 4.8 C (40.7 F). The strongest colour marks a difference of 3.8 C (6.8 F).

Annual mean temperature at Nikolsk as warming stripes, 1936 to 2018
Year	Annual mean temperature	Difference from the station mean
1936	2.7 C	+0.43 C
1937	2.7 C	+0.44 C
1938	2.5 C	+0.25 C
1939	1.3 C	-0.98 C
1940	0.5 C	-1.73 C
1941	-1.5 C	-3.79 C
1942	0.0 C	-2.21 C
1943	2.6 C	+0.38 C
1944	2.2 C	-0.03 C
1945	-0.1 C	-2.34 C
1946	1.3 C	-0.93 C
1947	0.9 C	-1.34 C
1948	2.2 C	-0.06 C
1949	2.6 C	+0.39 C
1950	1.6 C	-0.68 C
1951	1.9 C	-0.33 C
1952	1.8 C	-0.42 C
1953	1.7 C	-0.59 C
1954	2.1 C	-0.14 C
1955	0.2 C	-2.02 C
1956	0.1 C	-2.16 C
1957	3.0 C	+0.73 C
1958	0.7 C	-1.52 C
1959	1.9 C	-0.35 C
1960	1.5 C	-0.77 C
1961	2.6 C	+0.40 C
1962	2.7 C	+0.48 C
1963	0.7 C	-1.50 C
1964	2.1 C	-0.16 C
1965	1.3 C	-0.94 C
1966	0.8 C	-1.44 C
1967	3.0 C	+0.72 C
1968	1.0 C	-1.27 C
1969	-0.3 C	-2.58 C
1970	2.3 C	+0.06 C
1971	1.7 C	-0.55 C
1972	2.6 C	+0.36 C
1973	1.9 C	-0.35 C
1974	3.6 C	+1.35 C
1975	3.5 C	+1.30 C
1976	0.7 C	-1.58 C
1977	2.7 C	+0.42 C
1978	0.7 C	-1.57 C
1979	1.7 C	-0.56 C
1980	1.6 C	-0.63 C
1981	3.7 C	+1.45 C
1982	2.1 C	-0.16 C
1983	3.5 C	+1.27 C
1984	2.1 C	-0.12 C
1985	0.9 C	-1.30 C
1986	1.5 C	-0.79 C
1987	0.9 C	-1.36 C
1988	2.6 C	+0.38 C
1989	3.9 C	+1.64 C
1990	3.3 C	+1.06 C
1991	3.6 C	+1.33 C
1992	2.6 C	+0.35 C
1993	2.2 C	-0.09 C
1994	2.2 C	-0.01 C
1995	4.1 C	+1.86 C
1996	2.2 C	-0.04 C
1997	1.9 C	-0.32 C
1998	2.2 C	+0.00 C
1999	2.9 C	+0.67 C
2000	3.8 C	+1.59 C
2001	2.9 C	+0.65 C
2002	2.5 C	+0.24 C
2003	3.5 C	+1.30 C
2004	3.4 C	+1.14 C
2005	4.2 C	+1.96 C
2008	4.8 C	+2.58 C
2009	3.5 C	+1.23 C
2010	2.7 C	+0.49 C
2011	3.7 C	+1.43 C
2012	2.8 C	+0.53 C
2013	3.7 C	+1.50 C
2014	3.5 C	+1.29 C
2015	4.5 C	+2.25 C
2016	3.8 C	+1.51 C
2017	3.5 C	+1.25 C
2018	3.2 C	+1.00 C

The annual mean temperature here has risen by 0.3 C (0.2 to 0.4) per decade over 1936 to 2018. In Fahrenheit: 0.6 F (0.4 to 0.7) per decade. The slope is a straight line fitted to 81 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Nikolsk
Measure	Per decade (C)	Per decade (F)	Period	Complete years	Reading
Annual mean temperature	0.3 C (0.2 to 0.4) per decade	0.6 F (0.4 to 0.7) per decade	1936 to 2018	81	Rise
Mean daily maximum	0.2 C (0.1 to 0.3) per decade	0.4 F (0.2 to 0.6) per decade	1936 to 2018	81	Rise
Mean daily minimum	0.4 C (0.3 to 0.5) per decade	0.7 F (0.5 to 0.9) per decade	1936 to 2018	81	Rise

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

1936 to 2025

Yearly extremes at Nikolsk: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	37.4 C (99.3 F)	2020	31.3 C (88.3 F)	90
Coldest night (TNn)	-48.5 C (-55.3 F)	1978	-37.7 C (-35.9 F)	90
Wettest day (Rx1day)	57.7 mm (2.3 in)	1963	30.8 mm (1.2 in)	90
Wettest five days (Rx5day)	115.1 mm (4.5 in)	1995	52.1 mm (2.1 in)	90
Longest dry spell (CDD)	42 days	1984	18 days	90

Hottest day (TXx)

The hottest day of the year at Nikolsk, 1936 to 2025. The record is 37.4 C (99.3 F) in 2020, marked on the chart; the median year is 31.3 C (88.3 F).

Hottest day (TXx) at Nikolsk by year
Year	Hottest day (TXx)
1936	33.8 C (92.8 F)
1937	32.5 C (90.5 F)
1938	36.7 C (98.1 F)
1939	32.8 C (91.0 F)
1940	31.5 C (88.7 F)
1941	30.8 C (87.4 F)
1942	29.9 C (85.8 F)
1943	29.7 C (85.5 F)
1944	28.3 C (82.9 F)
1945	30.7 C (87.3 F)
1946	29.6 C (85.3 F)
1947	31.6 C (88.9 F)
1948	33.1 C (91.6 F)
1949	29.6 C (85.3 F)
1950	28.7 C (83.7 F)
1951	30.3 C (86.5 F)
1952	31.5 C (88.7 F)
1953	29.8 C (85.6 F)
1954	34.9 C (94.8 F)
1955	30.5 C (86.9 F)
1956	31.0 C (87.8 F)
1957	32.2 C (90.0 F)
1958	30.0 C (86.0 F)
1959	29.5 C (85.1 F)
1960	31.6 C (88.9 F)
1961	31.0 C (87.8 F)
1962	28.2 C (82.8 F)
1963	30.5 C (86.9 F)
1964	33.5 C (92.3 F)
1965	28.7 C (83.7 F)
1966	30.7 C (87.3 F)
1967	30.1 C (86.2 F)
1968	31.8 C (89.2 F)
1969	30.8 C (87.4 F)
1970	31.1 C (88.0 F)
1971	31.3 C (88.3 F)
1972	36.2 C (97.2 F)
1973	34.6 C (94.3 F)
1974	31.6 C (88.9 F)
1975	32.5 C (90.5 F)
1976	30.9 C (87.6 F)
1977	31.6 C (88.9 F)
1978	30.4 C (86.7 F)
1979	28.8 C (83.8 F)
1980	28.3 C (82.9 F)
1981	32.3 C (90.1 F)
1982	32.0 C (89.6 F)
1983	29.5 C (85.1 F)
1984	30.9 C (87.6 F)
1985	34.0 C (93.2 F)
1986	30.6 C (87.1 F)
1987	32.0 C (89.6 F)
1988	31.4 C (88.5 F)
1989	32.5 C (90.5 F)
1990	31.6 C (88.9 F)
1991	34.0 C (93.2 F)
1992	30.3 C (86.5 F)
1993	27.3 C (81.1 F)
1994	26.7 C (80.1 F)
1995	30.9 C (87.6 F)
1996	33.5 C (92.3 F)
1997	29.9 C (85.8 F)
1998	33.5 C (92.3 F)
1999	31.7 C (89.1 F)
2000	32.8 C (91.0 F)
2001	32.8 C (91.0 F)
2002	34.1 C (93.4 F)
2003	31.9 C (89.4 F)
2004	29.8 C (85.6 F)
2005	31.1 C (88.0 F)
2006	32.9 C (91.2 F)
2007	31.6 C (88.9 F)
2008	30.9 C (87.6 F)
2009	30.8 C (87.4 F)
2010	36.4 C (97.5 F)
2011	32.6 C (90.7 F)
2012	33.5 C (92.3 F)
2013	33.6 C (92.5 F)
2014	30.9 C (87.6 F)
2015	32.8 C (91.0 F)
2016	30.7 C (87.3 F)
2017	30.7 C (87.3 F)
2018	32.9 C (91.2 F)
2019	30.4 C (86.7 F)
2020	37.4 C (99.3 F)
2021	34.8 C (94.6 F)
2022	31.0 C (87.8 F)
2023	29.8 C (85.6 F)
2024	31.8 C (89.2 F)
2025	31.2 C (88.2 F)

Coldest night (TNn)

The coldest night of the year at Nikolsk, 1936 to 2025. The record is -48.5 C (-55.3 F) in 1978, marked on the chart; the median year is -37.7 C (-35.9 F).

Coldest night (TNn) at Nikolsk by year
Year	Coldest night (TNn)
1936	-41.9 C (-43.4 F)
1937	-34.6 C (-30.3 F)
1938	-40.4 C (-40.7 F)
1939	-37.7 C (-35.9 F)
1940	-42.2 C (-44.0 F)
1941	-44.3 C (-47.7 F)
1942	-42.8 C (-45.0 F)
1943	-46.0 C (-50.8 F)
1944	-33.9 C (-29.0 F)
1945	-42.7 C (-44.9 F)
1946	-45.4 C (-49.7 F)
1947	-42.0 C (-43.6 F)
1948	-41.0 C (-41.8 F)
1949	-32.0 C (-25.6 F)
1950	-42.5 C (-44.5 F)
1951	-45.1 C (-49.2 F)
1952	-38.0 C (-36.4 F)
1953	-41.0 C (-41.8 F)
1954	-39.2 C (-38.6 F)
1955	-39.7 C (-39.5 F)
1956	-42.2 C (-44.0 F)
1957	-38.4 C (-37.1 F)
1958	-40.9 C (-41.6 F)
1959	-31.7 C (-25.1 F)
1960	-41.4 C (-42.5 F)
1961	-36.7 C (-34.1 F)
1962	-35.9 C (-32.6 F)
1963	-39.5 C (-39.1 F)
1964	-40.1 C (-40.2 F)
1965	-39.3 C (-38.7 F)
1966	-42.6 C (-44.7 F)
1967	-43.1 C (-45.6 F)
1968	-41.3 C (-42.3 F)
1969	-44.9 C (-48.8 F)
1970	-40.8 C (-41.4 F)
1971	-36.2 C (-33.2 F)
1972	-41.5 C (-42.7 F)
1973	-44.9 C (-48.8 F)
1974	-28.8 C (-19.8 F)
1975	-36.3 C (-33.3 F)
1976	-39.5 C (-39.1 F)
1977	-38.3 C (-36.9 F)
1978	-48.5 C (-55.3 F)
1979	-41.8 C (-43.2 F)
1980	-35.1 C (-31.2 F)
1981	-35.0 C (-31.0 F)
1982	-40.4 C (-40.7 F)
1983	-32.4 C (-26.3 F)
1984	-35.0 C (-31.0 F)
1985	-44.0 C (-47.2 F)
1986	-34.8 C (-30.6 F)
1987	-45.1 C (-49.2 F)
1988	-32.3 C (-26.1 F)
1989	-31.6 C (-24.9 F)
1990	-41.4 C (-42.5 F)
1991	-41.4 C (-42.5 F)
1992	-33.5 C (-28.3 F)
1993	-30.6 C (-23.1 F)
1994	-34.8 C (-30.6 F)
1995	-34.5 C (-30.1 F)
1996	-34.8 C (-30.6 F)
1997	-35.9 C (-32.6 F)
1998	-36.6 C (-33.9 F)
1999	-41.0 C (-41.8 F)
2000	-36.0 C (-32.8 F)
2001	-32.3 C (-26.1 F)
2002	-37.8 C (-36.0 F)
2003	-35.0 C (-31.0 F)
2004	-32.9 C (-27.2 F)
2005	-29.6 C (-21.3 F)
2006	-39.4 C (-38.9 F)
2007	-30.0 C (-22.0 F)
2008	-29.0 C (-20.2 F)
2009	-35.9 C (-32.6 F)
2010	-39.6 C (-39.3 F)
2011	-35.5 C (-31.9 F)
2012	-33.5 C (-28.3 F)
2013	-35.8 C (-32.4 F)
2014	-33.8 C (-28.8 F)
2015	-32.3 C (-26.1 F)
2016	-33.3 C (-27.9 F)
2017	-40.7 C (-41.3 F)
2018	-28.2 C (-18.8 F)
2019	-28.1 C (-18.6 F)
2020	-28.6 C (-19.5 F)
2021	-37.2 C (-35.0 F)
2022	-28.1 C (-18.6 F)
2023	-40.1 C (-40.2 F)
2024	-35.6 C (-32.1 F)
2025	-27.2 C (-17.0 F)

Wettest day (Rx1day)

The wettest day of the year at Nikolsk, 1936 to 2025. The record is 57.7 mm (2.3 in) in 1963, marked on the chart; the median year is 30.8 mm (1.2 in).

Wettest day (Rx1day) at Nikolsk by year
Year	Wettest day (Rx1day)
1936	34.8 mm (1.4 in)
1937	35.3 mm (1.4 in)
1938	28.5 mm (1.1 in)
1939	22.3 mm (0.9 in)
1940	30.3 mm (1.2 in)
1941	23.6 mm (0.9 in)
1942	35.5 mm (1.4 in)
1943	40.0 mm (1.6 in)
1944	39.2 mm (1.5 in)
1945	27.4 mm (1.1 in)
1946	35.7 mm (1.4 in)
1947	53.5 mm (2.1 in)
1948	26.0 mm (1.0 in)
1949	46.2 mm (1.8 in)
1950	45.6 mm (1.8 in)
1951	30.1 mm (1.2 in)
1952	48.6 mm (1.9 in)
1953	44.3 mm (1.7 in)
1954	20.2 mm (0.8 in)
1955	36.5 mm (1.4 in)
1956	18.6 mm (0.7 in)
1957	43.7 mm (1.7 in)
1958	22.2 mm (0.9 in)
1959	31.7 mm (1.2 in)
1960	32.0 mm (1.3 in)
1961	21.8 mm (0.9 in)
1962	23.7 mm (0.9 in)
1963	57.7 mm (2.3 in)
1964	21.3 mm (0.8 in)
1965	35.2 mm (1.4 in)
1966	21.8 mm (0.9 in)
1967	30.0 mm (1.2 in)
1968	42.3 mm (1.7 in)
1969	22.5 mm (0.9 in)
1970	15.9 mm (0.6 in)
1971	27.0 mm (1.1 in)
1972	26.0 mm (1.0 in)
1973	29.6 mm (1.2 in)
1974	19.8 mm (0.8 in)
1975	18.8 mm (0.7 in)
1976	43.4 mm (1.7 in)
1977	34.3 mm (1.4 in)
1978	36.8 mm (1.4 in)
1979	32.3 mm (1.3 in)
1980	31.3 mm (1.2 in)
1981	28.1 mm (1.1 in)
1982	22.5 mm (0.9 in)
1983	26.3 mm (1.0 in)
1984	30.9 mm (1.2 in)
1985	50.6 mm (2.0 in)
1986	25.6 mm (1.0 in)
1987	51.4 mm (2.0 in)
1988	37.3 mm (1.5 in)
1989	47.1 mm (1.9 in)
1990	43.2 mm (1.7 in)
1991	28.9 mm (1.1 in)
1992	20.0 mm (0.8 in)
1993	37.1 mm (1.5 in)
1994	28.8 mm (1.1 in)
1995	53.1 mm (2.1 in)
1996	24.1 mm (0.9 in)
1997	43.6 mm (1.7 in)
1998	45.5 mm (1.8 in)
1999	35.4 mm (1.4 in)
2000	22.8 mm (0.9 in)
2001	45.0 mm (1.8 in)
2002	17.4 mm (0.7 in)
2003	30.5 mm (1.2 in)
2004	37.6 mm (1.5 in)
2005	30.7 mm (1.2 in)
2006	17.8 mm (0.7 in)
2007	29.0 mm (1.1 in)
2008	40.7 mm (1.6 in)
2009	56.7 mm (2.2 in)
2010	36.6 mm (1.4 in)
2011	46.6 mm (1.8 in)
2012	38.4 mm (1.5 in)
2013	24.3 mm (1.0 in)
2014	18.2 mm (0.7 in)
2015	36.6 mm (1.4 in)
2016	29.2 mm (1.1 in)
2017	29.6 mm (1.2 in)
2018	29.8 mm (1.2 in)
2019	29.0 mm (1.1 in)
2020	25.9 mm (1.0 in)
2021	41.7 mm (1.6 in)
2022	35.1 mm (1.4 in)
2023	35.1 mm (1.4 in)
2024	26.9 mm (1.1 in)
2025	23.1 mm (0.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Nikolsk, 1936 to 2025. The record is 115.1 mm (4.5 in) in 1995, marked on the chart; the median year is 52.1 mm (2.1 in).

Wettest five days (Rx5day) at Nikolsk by year
Year	Wettest five days (Rx5day)
1936	74.1 mm (2.9 in)
1937	51.4 mm (2.0 in)
1938	44.8 mm (1.8 in)
1939	42.5 mm (1.7 in)
1940	44.3 mm (1.7 in)
1941	47.3 mm (1.9 in)
1942	47.2 mm (1.9 in)
1943	83.8 mm (3.3 in)
1944	55.3 mm (2.2 in)
1945	50.3 mm (2.0 in)
1946	63.0 mm (2.5 in)
1947	83.1 mm (3.3 in)
1948	30.5 mm (1.2 in)
1949	55.4 mm (2.2 in)
1950	69.2 mm (2.7 in)
1951	49.0 mm (1.9 in)
1952	110.9 mm (4.4 in)
1953	72.1 mm (2.8 in)
1954	35.1 mm (1.4 in)
1955	55.0 mm (2.2 in)
1956	41.6 mm (1.6 in)
1957	54.8 mm (2.2 in)
1958	45.8 mm (1.8 in)
1959	45.6 mm (1.8 in)
1960	63.8 mm (2.5 in)
1961	29.4 mm (1.2 in)
1962	54.6 mm (2.1 in)
1963	96.8 mm (3.8 in)
1964	37.8 mm (1.5 in)
1965	52.0 mm (2.0 in)
1966	32.6 mm (1.3 in)
1967	56.3 mm (2.2 in)
1968	60.5 mm (2.4 in)
1969	40.9 mm (1.6 in)
1970	29.2 mm (1.1 in)
1971	35.6 mm (1.4 in)
1972	37.0 mm (1.5 in)
1973	51.6 mm (2.0 in)
1974	26.3 mm (1.0 in)
1975	30.8 mm (1.2 in)
1976	51.8 mm (2.0 in)
1977	36.8 mm (1.4 in)
1978	50.5 mm (2.0 in)
1979	47.9 mm (1.9 in)
1980	59.1 mm (2.3 in)
1981	51.0 mm (2.0 in)
1982	41.7 mm (1.6 in)
1983	62.7 mm (2.5 in)
1984	63.2 mm (2.5 in)
1985	52.2 mm (2.1 in)
1986	67.4 mm (2.7 in)
1987	61.9 mm (2.4 in)
1988	56.8 mm (2.2 in)
1989	80.6 mm (3.2 in)
1990	91.8 mm (3.6 in)
1991	37.0 mm (1.5 in)
1992	30.0 mm (1.2 in)
1993	55.4 mm (2.2 in)
1994	55.5 mm (2.2 in)
1995	115.1 mm (4.5 in)
1996	37.9 mm (1.5 in)
1997	72.3 mm (2.8 in)
1998	65.4 mm (2.6 in)
1999	69.7 mm (2.7 in)
2000	33.2 mm (1.3 in)
2001	54.2 mm (2.1 in)
2002	37.1 mm (1.5 in)
2003	49.8 mm (2.0 in)
2004	70.2 mm (2.8 in)
2005	50.6 mm (2.0 in)
2006	43.6 mm (1.7 in)
2007	53.8 mm (2.1 in)
2008	53.9 mm (2.1 in)
2009	57.2 mm (2.3 in)
2010	74.6 mm (2.9 in)
2011	63.1 mm (2.5 in)
2012	65.2 mm (2.6 in)
2013	43.4 mm (1.7 in)
2014	35.4 mm (1.4 in)
2015	52.5 mm (2.1 in)
2016	50.1 mm (2.0 in)
2017	53.6 mm (2.1 in)
2018	38.2 mm (1.5 in)
2019	76.2 mm (3.0 in)
2020	51.0 mm (2.0 in)
2021	52.9 mm (2.1 in)
2022	61.3 mm (2.4 in)
2023	58.4 mm (2.3 in)
2024	27.0 mm (1.1 in)
2025	45.3 mm (1.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Nikolsk, 1936 to 2025. The record is 42 days in 1984, marked on the chart; the median year is 18 days.

Longest dry spell (CDD) at Nikolsk by year
Year	Longest dry spell (CDD)
1936	31 days
1937	21 days
1938	23 days
1939	18 days
1940	24 days
1941	17 days
1942	21 days
1943	17 days
1944	20 days
1945	19 days
1946	24 days
1947	15 days
1948	15 days
1949	28 days
1950	20 days
1951	23 days
1952	17 days
1953	20 days
1954	26 days
1955	10 days
1956	18 days
1957	18 days
1958	25 days
1959	20 days
1960	21 days
1961	14 days
1962	21 days
1963	17 days
1964	21 days
1965	18 days
1966	23 days
1967	14 days
1968	15 days
1969	29 days
1970	12 days
1971	18 days
1972	26 days
1973	24 days
1974	18 days
1975	16 days
1976	15 days
1977	17 days
1978	21 days
1979	25 days
1980	14 days
1981	16 days
1982	14 days
1983	14 days
1984	42 days
1985	16 days
1986	18 days
1987	36 days
1988	25 days
1989	16 days
1990	13 days
1991	20 days
1992	19 days
1993	27 days
1994	16 days
1995	15 days
1996	39 days
1997	15 days
1998	13 days
1999	18 days
2000	17 days
2001	17 days
2002	20 days
2003	22 days
2004	19 days
2005	27 days
2006	12 days
2007	17 days
2008	14 days
2009	13 days
2010	22 days
2011	26 days
2012	27 days
2013	17 days
2014	20 days
2015	25 days
2016	20 days
2017	11 days
2018	12 days
2019	16 days
2020	12 days
2021	10 days
2022	15 days
2023	12 days
2024	10 days
2025	8 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

81 years with a frost

Across 81 years with a frost, the median last spring frost at Nikolsk falls on 31 May and the median first autumn frost on 11 September, which leaves a median of 104 days between them.

In 1987 to 2018 the median growing season was 118 days. That is 18 days more than in 1936 to 1965.

Fitted over all years, the growing season changes by +3.2 days per decade at this station.

Frost dates and growing season at Nikolsk
Measure	Median, all years	Earliest period (1936 to 1965)	Recent period (1987 to 2018)	Recent against earliest	Fitted trend
Last spring frost	31 May	3 June	25 May	9 days earlier	-1.4 days per decade
First autumn frost	11 September	7 September	17 September	10 days later	+1.8 days per decade
Growing days	104 days	100 days	118 days	18 days more	+3.2 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

85 years, 1936 to 2022

A day with at least 31.9 mm (1.3 in) of rain is expected about once in 2 years. A day with at least 61.7 mm (2.4 in) of rain is expected about once in 100 years.

Rainfall return levels at Nikolsk: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	31.9 mm (1.3 in)
5 years	41.2 mm (1.6 in)
10 years	46.8 mm (1.8 in)
25 years	53.2 mm (2.1 in)
50 years	57.6 mm (2.3 in)
100 years	61.7 mm (2.4 in)	Longer than the 85 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 85 years of values from 1936 to 2022.

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: 57.7 mm (2.3 in) in 1963; 56.7 mm (2.2 in) in 2009; 53.5 mm (2.1 in) in 1947.

Station Changes

3 suspected

3 changes were suspected in the annual mean temperature of Nikolsk, at 1964, 1990 and 2010. Each is measured against neighbouring stations.

Relative to 5 neighbouring stations, the station's annual mean temperature from 1964 ran 0.2 C (0.3 F) higher than in the years before (possible change).
Relative to 5 neighbouring stations, the station's annual mean temperature from 1990 ran 0.2 C (0.3 F) higher than in the years before (likely change).
Relative to 5 neighbouring stations, the station's annual mean temperature from 2010 ran 0.2 C (0.3 F) lower than in the years before (likely change).

Suspected changes in the annual mean temperature at Nikolsk, against neighbouring stations
Year	Shift (C)	Shift (F)	Strength	Neighbours
1964	+0.2	+0.3	possible	5
1990	+0.2	+0.3	likely	5
2010	-0.2	-0.3	likely	5

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

2002 to 2018 against 1961 to 1990

Over 2002 to 2018, Nikolsk had a mean temperature of 3.6 C (38.4 F) and 657.2 mm (25.9 in) of rain a year. The 3 stations whose 1961 to 1990 climate was closest to that are Kostroma (Russia, 333 km away), Rybinsk (Russia, 420 km away) and Vetluga (Russia, 182 km away).

Climate twins of Nikolsk: stations whose 1961 to 1990 climate is closest to its 2002 to 2018 climate
Twin station	Country	Distance away	Mean temperature, 1961-1990	Rain a year, 1961-1990	Climate difference
Kostroma	Russia	333 km (207 mi)	3.7 C (38.7 F)	614.7 mm (24.2 in)	0.56
Rybinsk	Russia	420 km (261 mi)	3.9 C (39.0 F)	656.0 mm (25.8 in)	0.67
Vetluga	Russia	182 km (113 mi)	3.1 C (37.6 F)	657.1 mm (25.9 in)	0.76

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 Nikolsk standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Nikolsk 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 2026-10-12 (12 October 2026). Records are computed by this site and are not official.

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