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

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

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

Do you feel like swimming in Hakodate in Japan? 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 46°F (min: 40°F/max: 51°F)
February 41°F (min: 39°F/max: 45°F)
March 41°F (min: 38°F/max: 44°F)
April 45°F (min: 41°F/max: 49°F)
May 50°F (min: 43°F/max: 56°F)
June 59°F (min: 52°F/max: 66°F)
July 66°F (min: 61°F/max: 71°F)
August 72°F (min: 68°F/max: 75°F)
September 70°F (min: 66°F/max: 75°F)
October 63°F (min: 59°F/max: 68°F)
November 56°F (min: 51°F/max: 61°F)
December 50°F (min: 44°F/max: 56°F)

Water temperature variation in Hakodate throughout the year

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