Best time to swim in Charleston in the United States (USA) Sea temperature by month

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

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

Do you feel like swimming in Charleston in the United States (USA)? 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 63°F (min: 60°F/max: 67°F)
February 62°F (min: 59°F/max: 66°F)
March 63°F (min: 60°F/max: 66°F)
April 68°F (min: 63°F/max: 73°F)
May 74°F (min: 68°F/max: 79°F)
June 80°F (min: 76°F/max: 84°F)
July 83°F (min: 81°F/max: 86°F)
August 84°F (min: 81°F/max: 86°F)
September 82°F (min: 80°F/max: 84°F)
October 78°F (min: 74°F/max: 83°F)
November 72°F (min: 69°F/max: 76°F)
December 67°F (min: 63°F/max: 71°F)

Water temperature variation in Charleston throughout the year

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