Best time to swim in Tomakomai in Japan Sea temperature by month

Do you want to swim in the sea in Tomakomai in Japan? But when is the best time to go to be sure to have pleasant water for swimming in Tomakomai 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 Tomakomai, based on the average temperatures recorded in previous years.

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

Do you feel like swimming in Tomakomai in Japan? Discover the average sea temperature for each month of the year (based on previous years' records) and our opinion on swimming in the table below.

Month Sea temperature
January 41°F (min: 35°F/max: 48°F)
February 38°F (min: 34°F/max: 41°F)
March 38°F (min: 35°F/max: 40°F)
April 42°F (min: 37°F/max: 46°F)
May 47°F (min: 40°F/max: 54°F)
June 57°F (min: 50°F/max: 64°F)
July 64°F (min: 59°F/max: 69°F)
August 70°F (min: 67°F/max: 73°F)
September 68°F (min: 64°F/max: 73°F)
October 62°F (min: 58°F/max: 66°F)
November 55°F (min: 50°F/max: 60°F)
December 47°F (min: 41°F/max: 54°F)

Water temperature variation in Tomakomai throughout the year

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