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

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

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

Do you feel like swimming in Lannion 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 52°F (min: 49°F/max: 54°F)
February 51°F (min: 49°F/max: 53°F)
March 50°F (min: 49°F/max: 52°F)
April 52°F (min: 50°F/max: 54°F)
May 55°F (min: 53°F/max: 57°F)
June 58°F (min: 54°F/max: 62°F)
July 61°F (min: 58°F/max: 65°F)
August 63°F (min: 60°F/max: 65°F)
September 62°F (min: 59°F/max: 64°F)
October 59°F (min: 58°F/max: 62°F)
November 58°F (min: 56°F/max: 60°F)
December 55°F (min: 53°F/max: 58°F)

Water temperature variation in Lannion throughout the year

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