Best time to swim in Biscayne National Park in Florida Sea temperature by month

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

Best time to swim in Biscayne National Park: the water temperature by month

Do you feel like swimming in Biscayne National Park in Florida? 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 75°F (min: 72°F/max: 77°F)
February 75°F (min: 72°F/max: 77°F)
March 76°F (min: 72°F/max: 80°F)
April 79°F (min: 76°F/max: 83°F)
May 82°F (min: 78°F/max: 85°F)
June 84°F (min: 82°F/max: 86°F)
July 86°F (min: 84°F/max: 88°F)
August 87°F (min: 85°F/max: 89°F)
September 86°F (min: 84°F/max: 87°F)
October 83°F (min: 80°F/max: 87°F)
November 79°F (min: 76°F/max: 83°F)
December 77°F (min: 75°F/max: 79°F)

Water temperature variation in Biscayne National Park throughout the year

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