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Data as of 2025-12-31
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Built 2026-10-15 (15 October 2026)

Karlstad Threshold Days by Year

11 fixed thresholds counted per year at Karlstad (SW000024180): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Karlstad Thresholds

  • Karlstad: days with a maximum temperature at or below 0 C (32 F) in 98 years, most in 1985 with 97.
  • Karlstad: nights with a minimum temperature at or below 0 C (32 F) in 98 years, most in 1902 with 189.
  • Karlstad: nights with a minimum temperature at or below -10 C (14 F) in 98 years, most in 1942 with 85.
  • Karlstad: nights with a minimum temperature at or below -20 C (-4 F) in 64 years, most in 1942 with 23.
  • 11 fixed thresholds have at least one qualifying day at Karlstad.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Karlstad Days per year at Karlstad with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1901. 051015201900: 41901: 161902: 11904: 41905: 41914: 51921: 11923: 11925: 51926: 11933: 21935: 11937: 21938: 11939: 11940: 11941: 121944: 11947: 31948: 21949: 11969: 21970: 11973: 21975: 71977: 11982: 51994: 12001: 22003: 32004: 12005: 32006: 22007: 22008: 3190019051925193719411949197520012006
Days per year at Karlstad with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1901.
Days at or above 30 C (86 F) per year at Karlstad
YearDaysDecade average
190045.8
1901165.8
190215.8
190445.8
190545.8
191455
192112
192312
192552
192612
193321.4
193511.4
193721.4
193811.4
193911.4
194013.3
1941123.3
194413.3
194733.3
194823.3
194913.3
196922
197012.8
197322.8
197572.8
197712.8
198255
199411
200122.3
200332.3
200412.3
200532.3
200622.3
200722.3
200832.3
First to last qualifying date each year at Karlstad For each year, a bar from the first to the last day at Karlstad meeting 30 C (86 F). 1900: 13 June 1900 to 14 July 19001901: 8 July 1901 to 14 August 19011902: 28 June 1902 to 28 June 19021904: 28 July 1904 to 5 August 19041905: 24 June 1905 to 2 July 19051914: 5 July 1914 to 18 July 19141921: 19 July 1921 to 19 July 19211923: 11 July 1923 to 11 July 19231925: 19 July 1925 to 25 July 19251926: 13 July 1926 to 13 July 19261933: 8 July 1933 to 9 July 19331935: 24 June 1935 to 24 June 19351937: 5 July 1937 to 6 July 19371938: 10 August 1938 to 10 August 19381939: 6 June 1939 to 6 June 19391940: 12 July 1940 to 12 July 19401941: 23 June 1941 to 2 August 19411944: 9 July 1944 to 9 July 19441947: 29 June 1947 to 26 August 19471948: 30 July 1948 to 31 July 19481949: 11 July 1949 to 11 July 19491969: 31 July 1969 to 7 August 19691970: 20 June 1970 to 20 June 19701973: 6 July 1973 to 7 July 19731975: 5 August 1975 to 11 August 19751977: 15 June 1977 to 15 June 19771982: 1 August 1982 to 5 August 19821994: 14 July 1994 to 14 July 19942001: 7 July 2001 to 8 July 20012003: 15 July 2003 to 17 July 20032004: 9 August 2004 to 9 August 20042005: 8 July 2005 to 12 July 20052006: 12 June 2006 to 27 July 20062007: 9 June 2007 to 10 June 20072008: 25 July 2008 to 28 July 20081900191419331940194919772004JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Karlstad meeting 30 C (86 F).
First to last qualifying date each year at Karlstad
YearFirst dateLast date
19001900-06-131900-07-14
19011901-07-081901-08-14
19021902-06-281902-06-28
19041904-07-281904-08-05
19051905-06-241905-07-02
19141914-07-051914-07-18
19211921-07-191921-07-19
19231923-07-111923-07-11
19251925-07-191925-07-25
19261926-07-131926-07-13
19331933-07-081933-07-09
19351935-06-241935-06-24
19371937-07-051937-07-06
19381938-08-101938-08-10
19391939-06-061939-06-06
19401940-07-121940-07-12
19411941-06-231941-08-02
19441944-07-091944-07-09
19471947-06-291947-08-26
19481948-07-301948-07-31
19491949-07-111949-07-11
19691969-07-311969-08-07
19701970-06-201970-06-20
19731973-07-061973-07-07
19751975-08-051975-08-11
19771977-06-151977-06-15
19821982-08-011982-08-05
19941994-07-141994-07-14
20012001-07-072001-07-08
20032003-07-152003-07-17
20042004-08-092004-08-09
20052005-07-082005-07-12
20062006-06-122006-07-27
20072007-06-092007-06-10
20082008-07-252008-07-28

Every Fixed Threshold

Fixed thresholds at Karlstad
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days351619013
90 F (32.2 C): Days5719011
0 C (32 F): Ice days (max9897198514
0 C (32 F): Frost days (min98189190297
-10 C (14 F): Days with min988519424
-20 C (-4 F): Days with min642319421
-30 C (-22 F): Days with min4319661
20 C (68 F): Tropical nights (min5219012
10 mm (0.39 in): Days with 10 mm or more rain315198014
25 mm (0.98 in): Days with 25 mm or more rain1419814
50 mm (1.97 in): Days with 50 mm or more rain1119811

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

  • Data for Karlstad 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

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