Best time to swim in Honolulu (Oahu) in Hawaii Sea temperature by month

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

Best time to swim in Honolulu (Oahu): the water temperature by month

Do you feel like swimming in Honolulu (Oahu) 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 77°F (min: 75°F/max: 78°F)
March 76°F (min: 75°F/max: 77°F)
April 77°F (min: 75°F/max: 80°F)
May 79°F (min: 77°F/max: 80°F)
June 79°F (min: 78°F/max: 80°F)
July 79°F (min: 78°F/max: 81°F)
August 80°F (min: 79°F/max: 81°F)
September 81°F (min: 79°F/max: 83°F)
October 81°F (min: 79°F/max: 82°F)
November 79°F (min: 77°F/max: 81°F)
December 78°F (min: 75°F/max: 80°F)

Water temperature variation in Honolulu (Oahu) throughout the year

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