Best time to swim in Carnac in Brittany Sea temperature by month

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

Best time to swim in Carnac: the water temperature by month

Do you feel like swimming in Carnac 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 50°F (min: 49°F/max: 52°F)
March 50°F (min: 49°F/max: 52°F)
April 54°F (min: 50°F/max: 58°F)
May 58°F (min: 54°F/max: 62°F)
June 61°F (min: 57°F/max: 66°F)
July 63°F (min: 59°F/max: 68°F)
August 65°F (min: 63°F/max: 67°F)
September 64°F (min: 62°F/max: 67°F)
October 62°F (min: 59°F/max: 65°F)
November 59°F (min: 56°F/max: 63°F)
December 55°F (min: 52°F/max: 59°F)

Water temperature variation in Carnac throughout the year

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