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

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

Best time to swim in Rhode Island: the water temperature by month

Do you feel like swimming in Rhode Island 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 42°F (min: 38°F/max: 46°F)
February 39°F (min: 36°F/max: 42°F)
March 39°F (min: 36°F/max: 43°F)
April 45°F (min: 38°F/max: 51°F)
May 52°F (min: 46°F/max: 58°F)
June 60°F (min: 54°F/max: 67°F)
July 68°F (min: 63°F/max: 72°F)
August 70°F (min: 67°F/max: 73°F)
September 67°F (min: 65°F/max: 70°F)
October 63°F (min: 58°F/max: 68°F)
November 55°F (min: 51°F/max: 60°F)
December 49°F (min: 43°F/max: 55°F)

Water temperature variation in Rhode Island throughout the year

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