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

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

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

Do you feel like swimming in Hikari 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 58°F (min: 54°F/max: 62°F)
February 54°F (min: 52°F/max: 57°F)
March 54°F (min: 51°F/max: 57°F)
April 57°F (min: 54°F/max: 61°F)
May 63°F (min: 57°F/max: 68°F)
June 69°F (min: 63°F/max: 76°F)
July 76°F (min: 71°F/max: 82°F)
August 80°F (min: 78°F/max: 83°F)
September 78°F (min: 75°F/max: 82°F)
October 74°F (min: 72°F/max: 76°F)
November 69°F (min: 64°F/max: 74°F)
December 62°F (min: 56°F/max: 68°F)

Water temperature variation in Hikari throughout the year

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