Best time to swim in Oslo in Norway Sea temperature by month

Do you want to swim in the sea in Oslo in Norway? But when is the best time to go to be sure to have pleasant water for swimming in Oslo and be able to swim without catching cold? This month, or a different one? The answer is on this page, with the sea water temperature by month in Oslo, based on the average temperatures recorded in previous years.

Best time to swim in Oslo: the water temperature by month

Do you feel like swimming in Oslo in Norway? Discover the average sea temperature for each month of the year (based on previous years' data) and our opinion on swimming in the table below. For more information on the sea temperature of a specific month, click on the month's name in the table.

Month Sea temperature
January 40°F (min: 34°F/max: 46°F)
February 39°F (min: 35°F/max: 43°F)
March 38°F (min: 34°F/max: 41°F)
April 44°F (min: 38°F/max: 50°F)
May 52°F (min: 46°F/max: 58°F)
June 59°F (min: 54°F/max: 65°F)
July 64°F (min: 60°F/max: 67°F)
August 65°F (min: 61°F/max: 69°F)
September 60°F (min: 56°F/max: 65°F)
October 54°F (min: 49°F/max: 59°F)
November 48°F (min: 44°F/max: 54°F)
December 43°F (min: 38°F/max: 50°F)

Water temperature variation in Oslo throughout the year

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