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

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

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

Do you feel like swimming in Okinawa 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 73°F (min: 69°F/max: 76°F)
February 70°F (min: 66°F/max: 74°F)
March 70°F (min: 68°F/max: 74°F)
April 73°F (min: 69°F/max: 76°F)
May 77°F (min: 73°F/max: 81°F)
June 81°F (min: 77°F/max: 85°F)
July 83°F (min: 81°F/max: 86°F)
August 84°F (min: 80°F/max: 88°F)
September 83°F (min: 82°F/max: 85°F)
October 81°F (min: 80°F/max: 83°F)
November 79°F (min: 76°F/max: 82°F)
December 75°F (min: 72°F/max: 78°F)

Water temperature variation in Okinawa throughout the year

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