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Data as of 2026-10-12
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Built 2026-10-19 (19 October 2026)

Hemse Threshold Days by Year (SWE00138020)

12 fixed thresholds counted per year at Hemse (SWE00138020): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hemse Thresholds

  • Hemse: nights with a minimum temperature at or below 0 C (32 F) in 85 years, most in 1941 with 180.
  • Hemse: days with a maximum temperature at or below 0 C (32 F) in 83 years, most in 2010 with 80.
  • Hemse: days with 10 mm (0.39 in) or more of precipitation in 83 years, most in 1952 with 26.
  • Hemse: nights with a minimum temperature at or below -10 C (14 F) in 79 years, most in 1942 with 66.
  • 12 fixed thresholds have at least one qualifying day at Hemse.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Hemse Days per year at Hemse with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 1994. 024681941: 71943: 11944: 31945: 51947: 21948: 31953: 11959: 21973: 31975: 31982: 21983: 41989: 21994: 82002: 22003: 12006: 12008: 12010: 32018: 72019: 12020: 22021: 12022: 22026: 3194119451953197519892003201020202026
Days per year at Hemse with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 1994.
Days at or above 30 C (86 F) per year at Hemse
YearDaysDecade average
194173.5
194313.5
194433.5
194553.5
194723.5
194833.5
195311.5
195921.5
197333
197533
198222.7
198342.7
198922.7
199488
200221.3
200311.3
200611.3
200811.3
201033.7
201873.7
201913.7
202022
202112
202222
202632
First to last qualifying date each year at Hemse For each year, a bar from the first to the last day at Hemse meeting 30 C (86 F). 1941: 10 July 1941 to 2 August 19411943: 4 August 1943 to 4 August 19431944: 7 July 1944 to 7 August 19441945: 13 July 1945 to 17 July 19451947: 29 June 1947 to 30 June 19471948: 29 July 1948 to 1 August 19481953: 29 June 1953 to 29 June 19531959: 10 July 1959 to 23 August 19591973: 4 July 1973 to 8 July 19731975: 7 August 1975 to 9 August 19751982: 7 August 1982 to 8 August 19821983: 9 July 1983 to 12 July 19831989: 5 July 1989 to 8 July 19891994: 14 July 1994 to 4 August 19942002: 1 August 2002 to 14 August 20022003: 1 August 2003 to 1 August 20032006: 8 July 2006 to 8 July 20062008: 27 July 2008 to 27 July 20082010: 10 July 2010 to 22 July 20102018: 16 July 2018 to 9 August 20182019: 29 July 2019 to 29 July 20192020: 9 August 2020 to 16 August 20202021: 22 June 2021 to 22 June 20212022: 21 July 2022 to 4 August 20222026: 27 June 2026 to 29 June 20261941194719731989200620192026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hemse meeting 30 C (86 F).
First to last qualifying date each year at Hemse
YearFirst dateLast date
19411941-07-101941-08-02
19431943-08-041943-08-04
19441944-07-071944-08-07
19451945-07-131945-07-17
19471947-06-291947-06-30
19481948-07-291948-08-01
19531953-06-291953-06-29
19591959-07-101959-08-23
19731973-07-041973-07-08
19751975-08-071975-08-09
19821982-08-071982-08-08
19831983-07-091983-07-12
19891989-07-051989-07-08
19941994-07-141994-08-04
20022002-08-012002-08-14
20032003-08-012003-08-01
20062006-07-082006-07-08
20082008-07-272008-07-27
20102010-07-102010-07-22
20182018-07-162018-08-09
20192019-07-292019-07-29
20202020-08-092020-08-16
20212021-06-222021-06-22
20222022-07-212022-08-04
20262026-06-272026-06-29

Every Fixed Threshold

Fixed thresholds at Hemse
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days25819943
35 C (95 F): Days1119751
90 F (32.2 C): Days9119411
0 C (32 F): Ice days (max8380201034
0 C (32 F): Frost days (min85180194181
-10 C (14 F): Days with min796619427
-20 C (-4 F): Days with min20819421
20 C (68 F): Tropical nights (min7220181
10 mm (0.39 in): Days with 10 mm or more rain832619525
25 mm (0.98 in): Days with 25 mm or more rain58619941
50 mm (1.97 in): Days with 50 mm or more rain6119461
100 mm (3.94 in): Days with 100 mm or more rain1120251

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

  • Data for Hemse 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). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-12).