Best time to swim in Cayo Guillermo in Cuba Sea temperature by month

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

Best time to swim in Cayo Guillermo: the water temperature by month

Do you feel like swimming in Cayo Guillermo in Cuba? 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 76°F (min: 75°F/max: 78°F)
February 76°F (min: 74°F/max: 79°F)
March 78°F (min: 75°F/max: 81°F)
April 80°F (min: 78°F/max: 82°F)
May 82°F (min: 78°F/max: 85°F)
June 83°F (min: 82°F/max: 86°F)
July 85°F (min: 84°F/max: 87°F)
August 86°F (min: 85°F/max: 88°F)
September 86°F (min: 85°F/max: 88°F)
October 84°F (min: 82°F/max: 86°F)
November 81°F (min: 78°F/max: 85°F)
December 79°F (min: 77°F/max: 81°F)

Water temperature variation in Cayo Guillermo throughout the year

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