Best time to swim in Key Largo in Florida Sea temperature by month

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

Best time to swim in Key Largo: the water temperature by month

Do you feel like swimming in Key Largo in Florida? 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 75°F (min: 72°F/max: 77°F)
February 75°F (min: 72°F/max: 78°F)
March 76°F (min: 72°F/max: 81°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: 85°F/max: 87°F)
October 83°F (min: 80°F/max: 87°F)
November 80°F (min: 76°F/max: 83°F)
December 77°F (min: 75°F/max: 79°F)

Water temperature variation in Key Largo throughout the year

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