Oslo-Blindern weather by month
Averages and records for each calendar month at Oslo-Blindern, Norway, from 1937 to 2026. The warmest month is July, averaging 22.2°C; the coolest is January at −1.3°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −1.3°C | −6.3°C | 12.5°C5 January 1973 | −26.0°C3 January 1941 | 89 / 90 |
| February | −0.1°C | −6.1°C | 13.8°C27 February 1943 | −24.9°C9 February 1966 | 89 / 90 |
| March | 4.4°C | −3.0°C | 21.5°C27 March 2012 | −21.3°C12 March 1942 | 90 / 90 |
| April | 10.1°C | 1.3°C | 25.4°C29 April 2000 | −14.9°C4 April 1942 | 90 / 90 |
| May | 16.4°C | 6.4°C | 31.1°C30 May 2018 | −3.4°C9 May 1941 | 90 / 90 |
| June | 20.4°C | 10.6°C | 33.7°C29 June 1947 | 1.4°C1 June 1975 | 90 / 90 |
| July | 22.2°C | 12.8°C | 34.6°C27 July 2018 | 3.7°C5 July 1951 | 90 / 90 |
| August | 20.8°C | 11.9°C | 34.2°C3 August 1982 | 3.7°C27 August 1940 | 90 / 90 |
| September | 15.8°C | 8.1°C | 27.2°C6 September 2024 | −3.3°C27 September 1939 | 90 / 90 |
| October | 9.5°C | 3.7°C | 21.0°C9 October 1969 | −8.0°C30 October 1992 | 89 / 90 |
| November | 3.7°C | −0.8°C | 16.1°C6 November 2020 | −16.0°C23 November 1965 | 89 / 89 |
| December | 0.2°C | −4.6°C | 12.6°C14 December 1991 | −20.8°C14 December 1981 | 89 / 89 |
Years shows the number behind the average high, then the number holding a record for that month. They differ because a year contributes an average only when the month has at least 25 days of readings, while a single reading is enough to set a record. The average low is withheld on the same 25-day rule and is counted separately again; it is shown as a dash where the archive cannot support it. Across the twelve months here the averages rest on 89 to 90 years each.
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Climate at nearby stations
The closest stations with twelve months of archive of their own, nearest first.
- Oslo/Gardermoen Arpt
- Torp Arpt
- Notodden Arpt
- Karlstad Arpt, Sweden
- Satenas Arpt, Sweden
- Mora-Siljan Arpt, Sweden
Every figure on this page is computed from NOAA GHCN-Daily observations stored per station, per year, per month. Nothing is modelled, interpolated or estimated, and a month the archive never covered is left out rather than filled in. A station appears here only once all twelve months carry an average from at least 10 years. See how this is built.