Best time to swim in Oceanside in California Sea temperature by month

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

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

Do you feel like swimming in Oceanside in California? 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 59°F (min: 58°F/max: 61°F)
February 59°F (min: 58°F/max: 61°F)
March 59°F (min: 57°F/max: 62°F)
April 61°F (min: 59°F/max: 63°F)
May 63°F (min: 60°F/max: 67°F)
June 66°F (min: 62°F/max: 69°F)
July 68°F (min: 66°F/max: 71°F)
August 68°F (min: 66°F/max: 71°F)
September 68°F (min: 64°F/max: 70°F)
October 65°F (min: 62°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 Oceanside throughout the year

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