Built 2026-10-19 (19 October 2026)

Sliac Weather Records (LOM00011903)

Record envelope, standing records and threshold days for Sliac (LOM00011903), Slovakia, with 74 years of record.

Key Facts for Sliac

  • Sliac (LOM00011903) is a weather station in Slovakia at 48.65 latitude and 19.15 longitude, 315 m (1,033 ft) above sea level.
  • The station reports from 1952 to 2025, 74 years of record.
  • 1,464 records set at Sliac still stand.
  • Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
  • Sliac set a daily record precipitation of 32.5 mm (1.3 in) on 22 August 2025.

About the Station

  • Location: Slovakia, 48.65 latitude, 19.15 longitude.
  • Elevation: 315 m (1,033 ft).
  • Period of record: 1952 to 2025, 74 years.
  • Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

6 days at or beyond a record
Daily record high and record low at Sliac, with 2026 drawn through them The band shows the record high and record low for each calendar day at Sliac. The lines show the 2026 daily maximum and minimum. 6 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Sliac. The lines show the 2026 daily maximum and minimum. 6 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Sliac, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan15.0 C (59.0 F)-29.0 C (-20.2 F)4.1 C (39.4 F)-9.4 C (15.1 F)
Feb17.5 C (63.5 F)-27.2 C (-17.0 F)3.5 C (38.3 F)-12.4 C (9.7 F)
Mar24.0 C (75.2 F)-26.1 C (-15.0 F)n/a-7.1 C (19.2 F)
Apr27.9 C (82.2 F)-7.5 C (18.5 F)n/a-5.8 C (21.6 F)
May31.9 C (89.4 F)-4.4 C (24.1 F)28.1 C (82.6 F)-0.6 C (30.9 F)
Jun35.7 C (96.3 F)0.0 C (32.0 F)34.0 C (93.2 F)5.4 C (41.7 F)
Jul37.5 C (99.5 F)2.2 C (36.0 F)35.5 C (95.9 F)9.1 C (48.4 F)
Aug37.2 C (99.0 F)0.0 C (32.0 F)34.7 C (94.5 F)6.4 C (43.5 F)
Sep32.2 C (90.0 F)-4.0 C (24.8 F)n/an/a
Oct26.6 C (79.9 F)-10.8 C (12.6 F)n/an/a
Nov20.0 C (68.0 F)-22.0 C (-7.6 F)n/an/a
Dec15.5 C (59.9 F)-26.1 C (-15.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Sliac by the year they were set 1,464 records at Sliac still stand. 1998 holds the most, with 56. 02040601952: 91954: 11955: 111956: 291957: 121958: 41959: 181960: 311961: 421962: 361963: 451973: 341974: 401975: 281976: 411977: 321978: 311979: 311980: 291981: 191982: 271983: 431984: 251985: 531986: 321987: 461988: 181989: 331990: 311991: 191992: 271993: 301994: 231995: 271996: 491997: 331998: 561999: 242000: 432001: 192002: 442003: 422004: 192018: 182019: 172020: 142021: 102022: 262023: 202024: 552025: 18195219591974198019861992199820042023
1,464 records at Sliac still stand. 1998 holds the most, with 56.
Standing records at Sliac by the year they were set
Year setStanding records
19529
19541
195511
195629
195712
19584
195918
196031
196142
196236
196345
197334
197440
197528
197641
197732
197831
197931
198029
198119
198227
198343
198425
198553
198632
198746
198818
198933
199031
199119
199227
199330
199423
199527
199649
199733
199856
199924
200043
200119
200244
200342
200419
201818
201917
202014
202110
202226
202320
202455
202518

All-Time Record Progression

3 new records
When Sliac set new all-time records 3 all-time records were set at Sliac between 3 August 1998 and 21 July 2022. Each dot is a new record. Record high minimum temperatureRecord high maximum temperature3 August 1998: Record high minimum temperature 19.3 C (66.7 F)4 August 1998: Record high minimum temperature 20.0 C (68.0 F)21 July 2022: Record high maximum temperature 37.5 C (99.5 F)20002005201020152020
3 all-time records were set at Sliac between 3 August 1998 and 21 July 2022. Each dot is a new record.
When Sliac set new all-time records
DateKindDetail
1998-08-03Record high minimum temperatureRecord high minimum temperature 19.3 C (66.7 F)
1998-08-04Record high minimum temperatureRecord high minimum temperature 20.0 C (68.0 F)
2022-07-21Record high maximum temperatureRecord high maximum temperature 37.5 C (99.5 F)

Wettest Day of Each Month

Jul: 199.9 mm (7.9 in)
Record daily precipitation for each month at Sliac The wettest day on record for each calendar month at Sliac. The most was 199.9 mm (7.9 in) on 31 July 1990. 050100150200 Jan: 34.0 mm (1.3 in), 9 January 1994 Jan Feb: 80.0 mm (3.1 in), 6 February 2017 Feb Mar: 57.9 mm (2.3 in), 20 March 1991 Mar Apr: 50.0 mm (2.0 in), 3 April 1996 Apr May: 42.4 mm (1.7 in), 18 May 2021 May Jun: 39.1 mm (1.5 in), 17 June 1962 Jun Jul: 199.9 mm (7.9 in), 31 July 1990 Jul Aug: 144.0 mm (5.7 in), 26 August 1994 Aug Sep: 48.0 mm (1.9 in), 24 September 1990 Sep Oct: 49.0 mm (1.9 in), 9 October 1980 Oct Nov: 89.9 mm (3.5 in), 13 November 1985 Nov Dec: 39.1 mm (1.5 in), 19 December 1981 Dec
The wettest day on record for each calendar month at Sliac. The most was 199.9 mm (7.9 in) on 31 July 1990.
Record daily precipitation for each month at Sliac
MonthRecord daily precipitation (mm)Date
Jan34.0 mm (1.3 in)9 January 1994
Feb80.0 mm (3.1 in)6 February 2017
Mar57.9 mm (2.3 in)20 March 1991
Apr50.0 mm (2.0 in)3 April 1996
May42.4 mm (1.7 in)18 May 2021
Jun39.1 mm (1.5 in)17 June 1962
Jul199.9 mm (7.9 in)31 July 1990
Aug144.0 mm (5.7 in)26 August 1994
Sep48.0 mm (1.9 in)24 September 1990
Oct49.0 mm (1.9 in)9 October 1980
Nov89.9 mm (3.5 in)13 November 1985
Dec39.1 mm (1.5 in)19 December 1981

Period of Record Coverage

1952 to 2025
Days with data per year at Sliac 52 years of record at Sliac, 1952 to 2025. 20 years have data for under 90 percent of days and are left out of rankings: 1952, 1954, 1955, 1956, 1957, 1958, 1959, 1960 and others. 1952: 57 of 366 days1954: 24 of 365 days1955: 135 of 365 days1956: 229 of 366 days1957: 136 of 365 days1958: 14 of 365 days1959: 124 of 365 days1960: 325 of 366 days1961: 338 of 365 days1962: 344 of 365 days1963: 332 of 365 days1973: 327 of 365 days1974: 344 of 365 days1975: 332 of 365 days1976: 352 of 366 days1977: 354 of 365 days1978: 358 of 365 days1979: 351 of 365 days1980: 354 of 366 days1981: 350 of 365 days1982: 343 of 365 days1983: 346 of 365 days1984: 351 of 366 days1985: 343 of 365 days1986: 347 of 365 days1987: 332 of 365 days1988: 344 of 366 days1989: 343 of 365 days1990: 342 of 365 days1991: 345 of 365 days1992: 338 of 366 days1993: 328 of 365 days1994: 311 of 365 days1995: 347 of 365 days1996: 349 of 366 days1997: 345 of 365 days1998: 332 of 365 days1999: 347 of 365 days2000: 352 of 366 days2001: 348 of 365 days2002: 347 of 365 days2003: 348 of 365 days2004: 350 of 366 days2017: 5 of 365 days2018: 54 of 365 days2019: 9 of 365 days2020: 17 of 366 days2021: 14 of 365 days2022: 156 of 365 days2023: 16 of 365 days2024: 11 of 366 days2025: 98 of 365 days19601980199020002020
52 years of record at Sliac, 1952 to 2025. 20 years have data for under 90 percent of days and are left out of rankings: 1952, 1954, 1955, 1956, 1957, 1958, 1959, 1960 and others.
Days with data per year at Sliac
YearDays with dataShare of yearComplete
19525716%No
1954247%No
195513537%No
195622963%No
195713637%No
1958144%No
195912434%No
196032589%No
196133893%Yes
196234494%Yes
196333291%Yes
197332790%No
197434494%Yes
197533291%Yes
197635296%Yes
197735497%Yes
197835898%Yes
197935196%Yes
198035497%Yes
198135096%Yes
198234394%Yes
198334695%Yes
198435196%Yes
198534394%Yes
198634795%Yes
198733291%Yes
198834494%Yes
198934394%Yes
199034294%Yes
199134595%Yes
199233892%Yes
199332890%No
199431185%No
199534795%Yes
199634995%Yes
199734595%Yes
199833291%Yes
199934795%Yes
200035296%Yes
200134895%Yes
200234795%Yes
200334895%Yes
200435096%Yes
201751%No
20185415%No
201992%No
2020175%No
2021144%No
202215643%No
2023164%No
2024113%No
20259827%No

Latest Records

20
Latest records at Sliac
DateStationRecordValueBeat old record byOld record stoodSignificance
22 August 2025Sliac, SKdaily rain32.5 mm (1.3 in)13.4 mm (0.5 in)36 years29 of 100 (Routine)
16 August 2025Sliac, SKdaily high max34.4 C (93.9 F)0.9 C (1.6 F)32 years18 of 100 (Routine)
26 July 2025Sliac, SKdaily high min18.2 C (64.8 F)1.6 C (2.9 F)27 years19 of 100 (Routine)
25 July 2025Sliac, SKdaily high min17.4 C (63.3 F)0.4 C (0.7 F)43 years20 of 100 (Routine)
3 July 2025Sliac, SKdaily high max35.5 C (95.9 F)2.7 C (4.9 F)23 years19 of 100 (Routine)
2 July 2025Sliac, SKdaily high max33.0 C (91.4 F)1.0 C (1.8 F)38 years20 of 100 (Routine)
26 June 2025Sliac, SKdaily high max34.0 C (93.2 F)2.3 C (4.1 F)3 years12 of 100 (Routine)
25 June 2025Sliac, SKdaily high max30.7 C (87.3 F)0.7 C (1.3 F)64 years27 of 100 (Routine)
8 June 2025Sliac, SKdaily rain14.0 mm (0.6 in)4.1 mm (0.16 in)2 years12 of 100 (Routine)
3 June 2025Sliac, SKdaily rain18.3 mm (0.7 in)1.3 mm (0.05 in)26 years15 of 100 (Routine)
2 June 2025Sliac, SKdaily high min15.7 C (60.3 F)0.5 C (0.9 F)22 years14 of 100 (Routine)
10 May 2025Sliac, SKdaily low min-0.6 C (30.9 F)1.5 C (2.7 F)38 years22 of 100 (Routine)
4 May 2025Sliac, SKdaily high min11.1 C (52.0 F)0.9 C (1.6 F)7 years11 of 100 (Routine)
17 April 2025Sliac, SKdaily high min11.2 C (52.2 F)0.8 C (1.4 F)31 years18 of 100 (Routine)
16 April 2025Sliac, SKdaily high min11.9 C (53.4 F)3.9 C (7.0 F)50 years31 of 100 (Routine)
30 March 2025Sliac, SKdaily high min7.4 C (45.3 F)1.7 C (3.1 F)31 years19 of 100 (Routine)
24 March 2025Sliac, SKdaily high min8.1 C (46.6 F)0.7 C (1.3 F)34 years18 of 100 (Routine)
23 March 2025Sliac, SKdaily high min5.9 C (42.6 F)0.1 C (0.2 F)0 years7 of 100 (Routine)
15 March 2025Sliac, SKdaily rain20.3 mm (0.8 in)7.9 mm (0.31 in)24 years20 of 100 (Routine)
28 February 2025Sliac, SKdaily rain14.0 mm (0.6 in)2.1 mm (0.08 in)35 years20 of 100 (Routine)

Climate Trend

20 complete years, 1974 to 2003
Annual mean temperature at Sliac as warming stripes, 1974 to 2003 One stripe for each of 20 complete years at Sliac, 1974 to 2003. Blue stripes are years cooler than the station's own mean of 8.4 C (47.1 F); red stripes are warmer. The coolest year was 1980, at 7.1 C (44.8 F), and the warmest was 1975, at 9.5 C (49.0 F). The strongest colour marks a difference of 1.3 C (2.3 F). 1974: 8.9 C, +0.5 C from the station mean1975: 9.5 C, +1.1 C from the station mean1976: 8.2 C, -0.2 C from the station mean1978: 7.4 C, -1.0 C from the station mean1979: 8.3 C, -0.1 C from the station mean1980: 7.1 C, -1.3 C from the station mean1981: 8.1 C, -0.3 C from the station mean1983: 9.0 C, +0.6 C from the station mean1984: 8.0 C, -0.4 C from the station mean1986: 7.9 C, -0.5 C from the station mean1988: 8.5 C, +0.1 C from the station mean1989: 9.1 C, +0.7 C from the station mean1992: 9.0 C, +0.6 C from the station mean1993: 8.3 C, -0.1 C from the station mean1995: 8.7 C, +0.3 C from the station mean1996: 7.8 C, -0.6 C from the station mean1997: 8.1 C, -0.3 C from the station mean1998: 8.8 C, +0.4 C from the station mean2001: 8.6 C, +0.2 C from the station mean2003: 8.6 C, +0.2 C from the station mean197419801985199019952000
One stripe for each of 20 complete years at Sliac, 1974 to 2003. Blue stripes are years cooler than the station's own mean of 8.4 C (47.1 F); red stripes are warmer. The coolest year was 1980, at 7.1 C (44.8 F), and the warmest was 1975, at 9.5 C (49.0 F). The strongest colour marks a difference of 1.3 C (2.3 F).
Annual mean temperature at Sliac as warming stripes, 1974 to 2003
YearAnnual mean temperatureDifference from the station mean
19748.9 C+0.52 C
19759.5 C+1.06 C
19768.2 C-0.22 C
19787.4 C-0.99 C
19798.3 C-0.14 C
19807.1 C-1.27 C
19818.1 C-0.29 C
19839.0 C+0.60 C
19848.0 C-0.38 C
19867.9 C-0.46 C
19888.5 C+0.11 C
19899.1 C+0.72 C
19929.0 C+0.62 C
19938.3 C-0.05 C
19958.7 C+0.35 C
19967.8 C-0.62 C
19978.1 C-0.32 C
19988.8 C+0.36 C
20018.6 C+0.19 C
20038.6 C+0.22 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

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

1952 to 2025
Yearly extremes at Sliac: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)37.5 C (99.5 F)202232.7 C (90.9 F)52
Coldest night (TNn)-29.0 C (-20.2 F)1985-19.6 C (-3.4 F)52
Wettest day (Rx1day)199.9 mm (7.9 in)199035.1 mm (1.4 in)52
Wettest five days (Rx5day)199.9 mm (7.9 in)199054.6 mm (2.1 in)41
Longest dry spell (CDD)34 days197814 days45

Hottest day (TXx)

Hottest day (TXx) at Sliac by year The hottest day of the year at Sliac, 1952 to 2025. The record is 37.5 C (99.5 F) in 2022, marked on the chart; the median year is 32.7 C (90.9 F). 1520253035401960198020002020Record: 37.5 C (99.5 F) in 2022
The hottest day of the year at Sliac, 1952 to 2025. The record is 37.5 C (99.5 F) in 2022, marked on the chart; the median year is 32.7 C (90.9 F).
Hottest day (TXx) at Sliac by year
YearHottest day (TXx)
195237.2 C (99.0 F)
195430.0 C (86.0 F)
195528.9 C (84.0 F)
195632.2 C (90.0 F)
195731.1 C (88.0 F)
195832.2 C (90.0 F)
195930.0 C (86.0 F)
196032.2 C (90.0 F)
196135.0 C (95.0 F)
196232.8 C (91.0 F)
196333.9 C (93.0 F)
197332.0 C (89.6 F)
197433.0 C (91.4 F)
197532.0 C (89.6 F)
197634.0 C (93.2 F)
197732.0 C (89.6 F)
197830.0 C (86.0 F)
197933.0 C (91.4 F)
198031.0 C (87.8 F)
198133.0 C (91.4 F)
198231.4 C (88.5 F)
198335.3 C (95.5 F)
198433.5 C (92.3 F)
198532.7 C (90.9 F)
198631.8 C (89.2 F)
198733.1 C (91.6 F)
198835.4 C (95.7 F)
198932.4 C (90.3 F)
199033.5 C (92.3 F)
199132.7 C (90.9 F)
199236.2 C (97.2 F)
199335.0 C (95.0 F)
199435.8 C (96.4 F)
199532.2 C (90.0 F)
199632.7 C (90.9 F)
199732.1 C (89.8 F)
199834.7 C (94.5 F)
199932.2 C (90.0 F)
200036.8 C (98.2 F)
200132.9 C (91.2 F)
200234.5 C (94.1 F)
200335.2 C (95.4 F)
200432.3 C (90.1 F)
201718.0 C (64.4 F)
201832.8 C (91.0 F)
201930.7 C (87.3 F)
202030.9 C (87.6 F)
202127.0 C (80.6 F)
202237.5 C (99.5 F)
202333.3 C (91.9 F)
202431.4 C (88.5 F)
202535.5 C (95.9 F)

Coldest night (TNn)

Coldest night (TNn) at Sliac by year The coldest night of the year at Sliac, 1952 to 2025. The record is -29.0 C (-20.2 F) in 1985, marked on the chart; the median year is -19.6 C (-3.4 F). -30-20-1001960198020002020Record: -29.0 C (-20.2 F) in 1985
The coldest night of the year at Sliac, 1952 to 2025. The record is -29.0 C (-20.2 F) in 1985, marked on the chart; the median year is -19.6 C (-3.4 F).
Coldest night (TNn) at Sliac by year
YearColdest night (TNn)
1952-17.8 C (0.0 F)
1954-11.1 C (12.0 F)
1955-23.9 C (-11.0 F)
1956-27.2 C (-17.0 F)
1957-20.0 C (-4.0 F)
1958-25.0 C (-13.0 F)
1959-10.0 C (14.0 F)
1960-21.1 C (-6.0 F)
1961-26.1 C (-15.0 F)
1962-26.1 C (-15.0 F)
1963-27.2 C (-17.0 F)
1973-26.0 C (-14.8 F)
1974-15.0 C (5.0 F)
1975-22.0 C (-7.6 F)
1976-15.0 C (5.0 F)
1977-16.0 C (3.2 F)
1978-19.0 C (-2.2 F)
1979-19.0 C (-2.2 F)
1980-23.0 C (-9.4 F)
1981-23.0 C (-9.4 F)
1982-26.5 C (-15.7 F)
1983-17.0 C (1.4 F)
1984-18.4 C (-1.1 F)
1985-29.0 C (-20.2 F)
1986-23.8 C (-10.8 F)
1987-28.6 C (-19.5 F)
1988-15.0 C (5.0 F)
1989-18.2 C (-0.8 F)
1990-16.1 C (3.0 F)
1991-23.5 C (-10.3 F)
1992-16.7 C (1.9 F)
1993-19.0 C (-2.2 F)
1994-13.4 C (7.9 F)
1995-23.0 C (-9.4 F)
1996-24.3 C (-11.7 F)
1997-17.5 C (0.5 F)
1998-20.4 C (-4.7 F)
1999-21.0 C (-5.8 F)
2000-24.1 C (-11.4 F)
2001-22.5 C (-8.5 F)
2002-25.0 C (-13.0 F)
2003-25.8 C (-14.4 F)
2004-24.3 C (-11.7 F)
2017-2.3 C (27.9 F)
2018-15.3 C (4.5 F)
2019-15.4 C (4.3 F)
2020-11.3 C (11.7 F)
2021-15.0 C (5.0 F)
2022-14.0 C (6.8 F)
2023-19.3 C (-2.7 F)
2024-11.0 C (12.2 F)
2025-12.4 C (9.7 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Sliac by year The wettest day of the year at Sliac, 1952 to 2025. The record is 199.9 mm (7.9 in) in 1990, marked on the chart; the median year is 35.1 mm (1.4 in). 0501001502001960198020002020Record: 199.9 mm (7.9 in) in 1990
The wettest day of the year at Sliac, 1952 to 2025. The record is 199.9 mm (7.9 in) in 1990, marked on the chart; the median year is 35.1 mm (1.4 in).
Wettest day (Rx1day) at Sliac by year
YearWettest day (Rx1day)
195235.6 mm (1.4 in)
195411.9 mm (0.5 in)
195522.1 mm (0.9 in)
195625.9 mm (1.0 in)
195725.7 mm (1.0 in)
19583.6 mm (0.14 in)
195922.1 mm (0.9 in)
196040.9 mm (1.6 in)
196150.5 mm (2.0 in)
196250.0 mm (2.0 in)
196333.0 mm (1.3 in)
197334.0 mm (1.3 in)
197435.1 mm (1.4 in)
197521.1 mm (0.8 in)
197637.1 mm (1.5 in)
197723.9 mm (0.9 in)
197824.1 mm (0.9 in)
197923.9 mm (0.9 in)
198049.0 mm (1.9 in)
198139.1 mm (1.5 in)
198235.1 mm (1.4 in)
198327.9 mm (1.1 in)
198442.9 mm (1.7 in)
198589.9 mm (3.5 in)
198647.0 mm (1.9 in)
198724.9 mm (1.0 in)
198837.1 mm (1.5 in)
198921.1 mm (0.8 in)
1990199.9 mm (7.9 in)
199157.9 mm (2.3 in)
199226.9 mm (1.1 in)
199329.0 mm (1.1 in)
1994144.0 mm (5.7 in)
199527.9 mm (1.1 in)
199650.0 mm (2.0 in)
199729.0 mm (1.1 in)
199835.1 mm (1.4 in)
199935.1 mm (1.4 in)
200027.2 mm (1.1 in)
200152.1 mm (2.1 in)
200249.8 mm (2.0 in)
200380.0 mm (3.1 in)
200431.5 mm (1.2 in)
201780.0 mm (3.1 in)
201842.9 mm (1.7 in)
201936.3 mm (1.4 in)
202039.9 mm (1.6 in)
202142.4 mm (1.7 in)
202238.4 mm (1.5 in)
202336.1 mm (1.4 in)
202431.5 mm (1.2 in)
202533.0 mm (1.3 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Sliac by year The wettest five days of the year at Sliac, 1952 to 2025. The record is 199.9 mm (7.9 in) in 1990, marked on the chart; the median year is 54.6 mm (2.1 in). 0501001502001960198020002020Record: 199.9 mm (7.9 in) in 1990
The wettest five days of the year at Sliac, 1952 to 2025. The record is 199.9 mm (7.9 in) in 1990, marked on the chart; the median year is 54.6 mm (2.1 in).
Wettest five days (Rx5day) at Sliac by year
YearWettest five days (Rx5day)
1952n/a
1954n/a
1955n/a
195628.7 mm (1.1 in)
1957n/a
1958n/a
195931.5 mm (1.2 in)
1960n/a
1961n/a
1962n/a
1963n/a
197346.9 mm (1.8 in)
197472.2 mm (2.8 in)
197535.8 mm (1.4 in)
197687.1 mm (3.4 in)
197749.1 mm (1.9 in)
197841.2 mm (1.6 in)
197959.0 mm (2.3 in)
198088.4 mm (3.5 in)
198154.6 mm (2.1 in)
198256.1 mm (2.2 in)
198343.7 mm (1.7 in)
198420.5 mm (0.8 in)
1985102.9 mm (4.1 in)
198663.0 mm (2.5 in)
198732.8 mm (1.3 in)
198824.4 mm (1.0 in)
198943.8 mm (1.7 in)
1990199.9 mm (7.9 in)
199183.1 mm (3.3 in)
199251.0 mm (2.0 in)
199351.0 mm (2.0 in)
199475.9 mm (3.0 in)
199527.9 mm (1.1 in)
199644.0 mm (1.7 in)
199729.0 mm (1.1 in)
199882.2 mm (3.2 in)
1999102.7 mm (4.0 in)
2000n/a
200179.2 mm (3.1 in)
200225.2 mm (1.0 in)
2003109.0 mm (4.3 in)
200444.2 mm (1.7 in)
2017n/a
201878.0 mm (3.1 in)
201982.0 mm (3.2 in)
2020112.2 mm (4.4 in)
202174.9 mm (2.9 in)
202255.5 mm (2.2 in)
202372.1 mm (2.8 in)
202449.7 mm (2.0 in)
202547.0 mm (1.9 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Sliac by year The longest dry spell of the year at Sliac, 1952 to 2025. The record is 34 days in 1978, marked on the chart; the median year is 14 days. 0102030401960198020002020Record: 34 days in 1978
The longest dry spell of the year at Sliac, 1952 to 2025. The record is 34 days in 1978, marked on the chart; the median year is 14 days.
Longest dry spell (CDD) at Sliac by year
YearLongest dry spell (CDD)
1952n/a
1954n/a
1955n/a
19561 day
1957n/a
1958n/a
19591 day
19601 day
1961n/a
19621 day
1963n/a
197313 days
197412 days
197524 days
197622 days
197720 days
197834 days
197917 days
198019 days
198132 days
198218 days
198314 days
198410 days
198511 days
19867 days
19878 days
198811 days
198911 days
199013 days
199113 days
199216 days
19939 days
199413 days
199524 days
199614 days
199710 days
199810 days
199917 days
20003 days
20012 days
20025 days
200322 days
200415 days
20172 days
201820 days
201922 days
202028 days
202130 days
202221 days
202314 days
202433 days
202524 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

20 years with a frost

Across 20 years with a frost, the median last spring frost at Sliac falls on 29 April and the median first autumn frost on 3 October, which leaves a median of 155 days between them.

Frost dates and growing season at Sliac
MeasureMedian, all yearsEarliest periodRecent period (1974 to 2003)Recent against earliestFitted trend
Last spring frost29 Apriln/a29 Apriln/an/a
First autumn frost3 Octobern/a3 Octobern/an/a
Growing days155 daysn/a155 daysn/an/a

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.

Download the Data

  • Data for Sliac standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Sliac 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

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