Best time to swim in San Diego in California Sea temperature by month

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

Best time to swim in San Diego: the water temperature by month

Do you feel like swimming in San Diego in California? 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 60°F (min: 58°F/max: 62°F)
February 59°F (min: 58°F/max: 61°F)
March 60°F (min: 58°F/max: 62°F)
April 61°F (min: 59°F/max: 63°F)
May 63°F (min: 59°F/max: 67°F)
June 65°F (min: 62°F/max: 68°F)
July 68°F (min: 65°F/max: 70°F)
August 68°F (min: 66°F/max: 71°F)
September 67°F (min: 65°F/max: 70°F)
October 65°F (min: 63°F/max: 68°F)
November 63°F (min: 61°F/max: 65°F)
December 61°F (min: 59°F/max: 63°F)

Water temperature variation in San Diego throughout the year

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