Best time to swim in Kauai (Garden Isle) in Hawaii Sea temperature by month

Do you want to swim in the sea in Kauai (Garden Isle) in Hawaii? But when is the best time to go to be sure to have pleasant water for swimming in Kauai (Garden Isle) 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 Kauai (Garden Isle), based on the average temperatures recorded in previous years.

Best time to swim in Kauai (Garden Isle): the water temperature by month

Do you feel like swimming in Kauai (Garden Isle) in Hawaii? 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 77°F (min: 76°F/max: 78°F)
February 76°F (min: 74°F/max: 78°F)
March 75°F (min: 73°F/max: 77°F)
April 76°F (min: 74°F/max: 79°F)
May 78°F (min: 76°F/max: 80°F)
June 79°F (min: 77°F/max: 81°F)
July 79°F (min: 79°F/max: 80°F)
August 79°F (min: 78°F/max: 81°F)
September 81°F (min: 79°F/max: 82°F)
October 80°F (min: 79°F/max: 82°F)
November 79°F (min: 77°F/max: 80°F)
December 77°F (min: 75°F/max: 79°F)

Water temperature variation in Kauai (Garden Isle) throughout the year

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