Oslo Average Rainfall by Month

This page shows the average precipitation in each month of the year in Oslo, Norway. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Oslo?
In Oslo, August has the greatest precipitation of any month. On average, Oslo gets 10.3 cm of precipitation in August.
However, November is the month with the greatest chance of precipitation. 54.8% of days in November will have at least some rain.
What's the Driest Month in Oslo?
In Oslo, March has the least precipitation of any month. On average, Oslo gets 4.16 cm of precipitation in March.
March is also the month where rain is least common. 36.3% of days in March will have measurable rain.
Month Precipitation % Chance
January 5.81 cm 50.1
February 4.59 cm 46.7
March 4.16 cm 36.3
April 4.85 cm 39.7
May 5.90 cm 42.7
June 8.04 cm 49.6
July 8.69 cm 51.5
August 10.32 cm 49.9
September 8.28 cm 43.4
October 9.35 cm 48.8
November 8.33 cm 54.8
December 5.30 cm 49.8
Year 83.61 cm 46.9
Weather Station Details
Years Station Coordinates
1937–2024 Oslo Blindern location
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