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Built 2026-10-19 (19 October 2026)

Oslo Blindern Threshold Days by Year (NOM00001492)

10 fixed thresholds counted per year at Oslo Blindern (NOM00001492): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Oslo Blindern Thresholds

  • Oslo Blindern: nights with a minimum temperature at or below 0 C (32 F) in 90 years, most in 1941 with 178.
  • Oslo Blindern: days with a maximum temperature at or below 0 C (32 F) in 89 years, most in 2010 with 102.
  • Oslo Blindern: nights with a minimum temperature at or below -10 C (14 F) in 89 years, most in 1942 with 70.
  • Oslo Blindern: days with 10 mm (0.39 in) or more of precipitation in 89 years, most in 2000 with 40.
  • 10 fixed thresholds have at least one qualifying day at Oslo Blindern.
36 years with a qualifying day
Days at or above 30 C (86 F) per year at Oslo Blindern Days per year at Oslo Blindern with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 2018. 0510151938: 21941: 31944: 11945: 11947: 61948: 21952: 11953: 11955: 91960: 11966: 21970: 41975: 81977: 11982: 81986: 21988: 21989: 11991: 31994: 41997: 12003: 12004: 22005: 42006: 22007: 32008: 52009: 62014: 62018: 132019: 42020: 12021: 12023: 32025: 62026: 5193819471955197519881997200620142021
Days per year at Oslo Blindern with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 2018.
Days at or above 30 C (86 F) per year at Oslo Blindern
YearDaysDecade average
193822
194132.6
194412.6
194512.6
194762.6
194822.6
195213.7
195313.7
195593.7
196011.5
196621.5
197044.3
197584.3
197714.3
198283.3
198623.3
198823.3
198913.3
199132.7
199442.7
199712.7
200313.3
200423.3
200543.3
200623.3
200733.3
200853.3
200963.3
201467.7
2018137.7
201947.7
202013.2
202113.2
202333.2
202563.2
202653.2
First to last qualifying date each year at Oslo Blindern For each year, a bar from the first to the last day at Oslo Blindern meeting 30 C (86 F). 1938: 9 August 1938 to 10 August 19381941: 11 July 1941 to 1 August 19411944: 9 July 1944 to 9 July 19441945: 3 August 1945 to 3 August 19451947: 28 June 1947 to 26 August 19471948: 29 July 1948 to 30 July 19481952: 7 July 1952 to 7 July 19521953: 28 June 1953 to 28 June 19531955: 10 July 1955 to 31 July 19551960: 25 June 1960 to 25 June 19601966: 17 June 1966 to 21 July 19661970: 18 June 1970 to 21 June 19701975: 4 August 1975 to 11 August 19751977: 15 June 1977 to 15 June 19771982: 31 July 1982 to 7 August 19821986: 30 June 1986 to 1 July 19861988: 26 June 1988 to 27 June 19881989: 5 July 1989 to 5 July 19891991: 5 July 1991 to 7 July 19911994: 7 July 1994 to 20 July 19941997: 22 July 1997 to 22 July 19972003: 15 July 2003 to 15 July 20032004: 9 August 2004 to 10 August 20042005: 8 July 2005 to 12 July 20052006: 25 July 2006 to 26 July 20062007: 8 June 2007 to 10 June 20072008: 6 June 2008 to 28 July 20082009: 28 June 2009 to 3 July 20092014: 21 July 2014 to 26 July 20142018: 30 May 2018 to 31 July 20182019: 26 July 2019 to 29 July 20192020: 27 June 2020 to 27 June 20202021: 15 July 2021 to 15 July 20212023: 15 June 2023 to 17 June 20232025: 17 July 2025 to 25 July 20252026: 10 July 2026 to 17 July 202619381948196619861997200720192026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Oslo Blindern meeting 30 C (86 F).
First to last qualifying date each year at Oslo Blindern
YearFirst dateLast date
19381938-08-091938-08-10
19411941-07-111941-08-01
19441944-07-091944-07-09
19451945-08-031945-08-03
19471947-06-281947-08-26
19481948-07-291948-07-30
19521952-07-071952-07-07
19531953-06-281953-06-28
19551955-07-101955-07-31
19601960-06-251960-06-25
19661966-06-171966-07-21
19701970-06-181970-06-21
19751975-08-041975-08-11
19771977-06-151977-06-15
19821982-07-311982-08-07
19861986-06-301986-07-01
19881988-06-261988-06-27
19891989-07-051989-07-05
19911991-07-051991-07-07
19941994-07-071994-07-20
19971997-07-221997-07-22
20032003-07-152003-07-15
20042004-08-092004-08-10
20052005-07-082005-07-12
20062006-07-252006-07-26
20072007-06-082007-06-10
20082008-06-062008-07-28
20092009-06-282009-07-03
20142014-07-212014-07-26
20182018-05-302018-07-31
20192019-07-262019-07-29
20202020-06-272020-06-27
20212021-07-152021-07-15
20232023-06-152023-06-17
20252025-07-172025-07-25
20262026-07-102026-07-17

Every Fixed Threshold

Fixed thresholds at Oslo Blindern
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days361320185
90 F (32.2 C): Days11519752
0 C (32 F): Ice days (max89102201045
0 C (32 F): Frost days (min90178194166
-10 C (14 F): Days with min8970194212
-20 C (-4 F): Days with min311319411
20 C (68 F): Tropical nights (min9320182
10 mm (0.39 in): Days with 10 mm or more rain8940200017
25 mm (0.98 in): Days with 25 mm or more rain83820082
50 mm (1.97 in): Days with 50 mm or more rain8219512

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1938.

Download the Data

  • Data for Oslo Blindern 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 (2026-10-17).