Oslo Weather History
Norway · Europe · Weather data 1976–today
Oslo sits 6669km from the equator, 12m above sea level. That combination gives it a climate with warm summers and cold, snowy winters (Warm-summer humid continental climate). Its record high is 33.3°C, set 2026-07-16, its record low -28.4°C, set 1982-01-08.
Data through September 20, 2026.
Frequently asked questions about the weather in Oslo
What is the hottest temperature ever recorded in Oslo?
The highest temperature in this record for Oslo is 33.3°C, measured on 2026-07-16. That is a recorded daily value from Oslo's own series covering 1976 to 2025, not an estimate or a regional average.
What is the coldest temperature ever recorded in Oslo?
The lowest temperature in this record for Oslo is -28.4°C, measured on 1982-01-08. Together with the heat record above, that spans the full range this city has actually experienced across 1976 to 2025.
How much rain does Oslo get a year?
Oslo averages 959mm of precipitation a year, spread across roughly 133 days with at least 1mm. That average is taken over 50 complete calendar years, so one exceptionally wet or dry year does not set the figure.
What was the wettest day on record in Oslo?
On 1989-07-31, 62.9mm fell on Oslo, the highest single-day total in this series. For scale, that is roughly 7% of what the city receives in an average full year, in one day.
How many hours of sunshine does Oslo get a year?
Oslo averages 2726 sunshine hours a year, which works out to about 7.5 hours a day across the whole year. Sunshine hours measure the time direct sunlight actually reaches the ground, not simply how long it is light.
How warm are summers and how cold are winters in Oslo?
Across the summer months Oslo averages a daytime high near 20.5°C, while winter nights average -6.5°C. The seasons here are set from Oslo's position relative to the equator rather than a fixed northern-hemisphere calendar.
What is the strongest wind recorded in Oslo?
The strongest wind speed recorded in Oslo is 38 km/h, on 1980-04-19. That is the daily maximum sustained wind rather than the peak gust, which typically runs higher still.
