Best time to swim in Belle-Île-en-Mer in Brittany Sea temperature by month

Do you want to swim in the sea in Belle-Île-en-Mer in Brittany? But when is the best time to go to be sure to have pleasant water for swimming in Belle-Île-en-Mer 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 Belle-Île-en-Mer, based on the average temperatures recorded in previous years.

Best time to swim in Belle-Île-en-Mer: the water temperature by month

Do you feel like swimming in Belle-Île-en-Mer in Brittany? 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 51°F (min: 49°F/max: 54°F)
February 51°F (min: 49°F/max: 52°F)
March 51°F (min: 49°F/max: 53°F)
April 54°F (min: 50°F/max: 59°F)
May 58°F (min: 55°F/max: 62°F)
June 62°F (min: 57°F/max: 67°F)
July 64°F (min: 59°F/max: 69°F)
August 65°F (min: 63°F/max: 68°F)
September 65°F (min: 63°F/max: 68°F)
October 63°F (min: 59°F/max: 66°F)
November 59°F (min: 57°F/max: 63°F)
December 55°F (min: 51°F/max: 59°F)

Water temperature variation in Belle-Île-en-Mer throughout the year

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