Built 2026-10-19 (19 October 2026)

Karlstad-Airport Threshold Days by Year (SWE00136141)

7 fixed thresholds counted per year at Karlstad-Airport (SWE00136141): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Karlstad-Airport Thresholds

  • Karlstad-Airport: days with a maximum temperature at or below 0 C (32 F) in 84 years, most in 2010 with 104.
  • Karlstad-Airport: nights with a minimum temperature at or below 0 C (32 F) in 83 years, most in 1956 with 184.
  • Karlstad-Airport: nights with a minimum temperature at or below -10 C (14 F) in 82 years, most in 2010 with 74.
  • Karlstad-Airport: nights with a minimum temperature at or below -20 C (-4 F) in 56 years, most in 1985 with 23.
  • 7 fixed thresholds have at least one qualifying day at Karlstad-Airport.
21 years with a qualifying day
Days at or above 30 C (86 F) per year at Karlstad-Airport Days per year at Karlstad-Airport with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 1975. 024681947: 21948: 11955: 11969: 21970: 11973: 21975: 71977: 11982: 51994: 12001: 12005: 12007: 12008: 32009: 32014: 32018: 72019: 22021: 12025: 12026: 11947196919751994200720142021
Days per year at Karlstad-Airport with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 1975.
Days at or above 30 C (86 F) per year at Karlstad-Airport
YearDaysDecade average
194721.5
194811.5
195511
196922
197012.8
197322.8
197572.8
197712.8
198255
199411
200111.8
200511.8
200711.8
200831.8
200931.8
201434
201874
201924
202111
202511
202611
First to last qualifying date each year at Karlstad-Airport For each year, a bar from the first to the last day at Karlstad-Airport meeting 30 C (86 F). 1947: 29 June 1947 to 30 June 19471948: 31 July 1948 to 31 July 19481955: 12 July 1955 to 12 July 19551969: 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: 8 July 2001 to 8 July 20012005: 8 July 2005 to 8 July 20052007: 9 June 2007 to 9 June 20072008: 25 July 2008 to 28 July 20082009: 28 June 2009 to 3 July 20092014: 24 July 2014 to 26 July 20142018: 16 July 2018 to 8 August 20182019: 26 July 2019 to 28 July 20192021: 14 July 2021 to 14 July 20212025: 20 July 2025 to 20 July 20252026: 16 July 2026 to 16 July 20261947196919751994200720142021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Karlstad-Airport meeting 30 C (86 F).
First to last qualifying date each year at Karlstad-Airport
YearFirst dateLast date
19471947-06-291947-06-30
19481948-07-311948-07-31
19551955-07-121955-07-12
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
20012001-07-082001-07-08
20052005-07-082005-07-08
20072007-06-092007-06-09
20082008-07-252008-07-28
20092009-06-282009-07-03
20142014-07-242014-07-26
20182018-07-162018-08-08
20192019-07-262019-07-28
20212021-07-142021-07-14
20252025-07-202025-07-20
20262026-07-162026-07-16

Every Fixed Threshold

Fixed thresholds at Karlstad-Airport
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days21719751
0 C (32 F): Ice days (max84104201046
0 C (32 F): Frost days (min83184195690
-10 C (14 F): Days with min8274201020
-20 C (-4 F): Days with min562319851
-30 C (-22 F): Days with min3319661
20 C (68 F): Tropical nights (min1120181

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1947.

Download the Data

  • Data for Karlstad-Airport 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).