Best time to swim in Brittany Sea temperature by month
Do you want to go to the seaside in Brittany? But when should you go to be sure to enjoy good sea water temperature and be able to swim for a long time? Now or another month during the year? On this page, find the sea temperature by month in Brittany.
Swimming in Brittany by month
Discover swimming conditions in detail in Brittany by month below. Click on the links for each month to see details about the sea temperature in the cities of: Brest, Lorient, Saint-Brieuc (Côtes d'Armor), Saint-Malo and Vannes.
Month | Averagesea temperature | Our opinion | Details |
---|---|---|---|
January | 49°F to 53°F | freezing swimming | Sea temperature in Brittany in january |
February | 48°F to 52°F | freezing swimming | Sea temperature in Brittany in february |
March | 48°F to 51°F | freezing swimming | Sea temperature in Brittany in march |
April | 51°F to 55°F | freezing swimming | Sea temperature in Brittany in april |
May | 55°F to 59°F | freezing swimming | Sea temperature in Brittany in may |
June | 58°F to 63°F | cold swimming* | Sea temperature in Brittany in june |
July | 61°F to 65°F | cool swimming* | Sea temperature in Brittany in july |
August | 62°F to 66°F | cool swimming* | Sea temperature in Brittany in august |
September | 61°F to 66°F | cool swimming* | Sea temperature in Brittany in september |
October | 59°F to 63°F | cool swimming* | Sea temperature in Brittany in october |
November | 57°F to 60°F | cold swimming* | Sea temperature in Brittany in november |
December | 54°F to 56°F | freezing swimming | Sea temperature in Brittany in december |
* in at least part of the area.
Where and when should you swim in Brittany?

Best time to swim in Saint-Brieuc (Côtes d'Armor)
The best months for swimming in Saint-Brieuc (Côtes d'Armor) are %MONTHS.
Other cities and places in Brittany:
Water temperatures in Brittany over the entire year
On this chart, we show you the variation of the average sea water temperature in Brittany for the cities of: Brest, Lorient, Saint-Brieuc (Côtes d'Armor), Saint-Malo and Vannes.