Best time to swim in Yonaguni-jima in Japan Sea temperature by month

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

Best time to swim in Yonaguni-jima: the water temperature by month

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

Water temperature variation in Yonaguni-jima throughout the year

Change units