Swimming in Brittany in october 2025 Sea temperature by city in october

In october in Brittany swimming conditions vary by city. Details below:

Swimming in october in Muzillac is possible but the sea is generally cool. So though the sea temperature may sometimes reach 67°F, it can also go as low as 59°F. Note that the average is 63°F.

Swimming in october in Brest, Lorient, Saint-Brieuc (Côtes d'Armor), Saint-Malo, Vannes, Concarneau, Dinard, Erquy, The Quiberon peninsula, Perros-Guirec, Belle-Île-en-Mer, Bénodet, Cap Fréhel, Carnac, côte de granit rose (Pink Granite Coast), Le Crouesty, Doëlan (Clohars-Carnoët), Douarnenez, Fouesnant, Molene Island (Île de Molène), Sein island (Île-de-Sein), Hoëdic, Houat, Brehat Island (Île de Bréhat), Lannion, Ouessant, Paimpol, Ploumanac’h, Pointe du Raz, Roscoff, Sables d'Or les Pins, Binic, Camaret-sur-Mer, Cancale, Crozon, Groix, Guilvinec, Lanester, Larmor-Plage, Locquemeau, Locquirec, Loctudy, Louannec, Moelan-sur-Mer, Pleneuf-Val-Andre, Plerin, Ploemeur, Plogoff, Plougasnou, Plougastel-Daoulas, Plougrescant, Plouzane, Pordic, Saint-Cast-le-Guildo, Saint-Lunaire, Saint-Quay-Portrieux, Sarzeau, Trebeurden and Tregastel is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average temperature of 60°F (min: 58°F/max: 63°F).

Forget about swimming in Ploudalmezeau, Plouescat, Plouguerneau and Saint-Pol-de-Léon in october! The water temperature is freezing, reaching as low as 56°F (and only 61°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!