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

Do you want to go to the beach in Brittany in july 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in july in Brittany by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in Brittany in july 2025

Here, find the average sea temperature in Brittany in july in several coastal cities.

Finistère in july

on average:

62°F

min: 58°F / max: 66°F

on average:

63°F

min: 59°F / max: 67°F

on average:

62°F

min: 59°F / max: 67°F

on average:

63°F

min: 59°F / max: 67°F

on average:

62°F

min: 58°F / max: 65°F

on average:

63°F

min: 58°F / max: 67°F

Morbihan in july

on average:

63°F

min: 59°F / max: 68°F

on average:

64°F

min: 59°F / max: 69°F

on average:

64°F

min: 59°F / max: 69°F

on average:

64°F

min: 59°F / max: 69°F

on average:

63°F

min: 59°F / max: 68°F

on average:

64°F

min: 59°F / max: 69°F

Côtes-d'Armor in july

on average:

62°F

min: 60°F / max: 65°F

on average:

62°F

min: 60°F / max: 65°F

on average:

62°F

min: 58°F / max: 65°F

on average:

62°F

min: 59°F / max: 65°F

on average:

61°F

min: 57°F / max: 65°F

on average:

62°F

min: 58°F / max: 65°F

Ille-et-Vilaine in july

on average:

62°F

min: 59°F / max: 65°F

on average:

62°F

min: 59°F / max: 65°F

Cancale

on average:

62°F

min: 60°F / max: 64°F

Saint-Lunaire

on average:

62°F

min: 59°F / max: 65°F

Where should you go swimming in Brittany in the month of july?

Swimming in Brittany in july is cool (in the best case scenario)

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

Swimming in july in Lorient, Vannes, The Quiberon peninsula, Belle-Île-en-Mer, Carnac, Le Crouesty, Hoëdic, Houat, Groix, Lanester, Larmor-Plage, Muzillac, Ploemeur and Sarzeau is possible but the sea is generally cool. So though the sea temperature may sometimes reach 68°F, it can also go as low as 59°F. Note that the average is 63°F.

Swimming in july in Brest, Saint-Brieuc (Côtes d'Armor), Saint-Malo, Concarneau, Dinard, Erquy, Perros-Guirec, Bénodet, Cap Fréhel, côte de granit rose (Pink Granite Coast), Doëlan (Clohars-Carnoët), Douarnenez, Fouesnant, Molene Island (Île de Molène), Sein island (Île-de-Sein), 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, Guilvinec, Locquemeau, Locquirec, Loctudy, Louannec, Moelan-sur-Mer, Pleneuf-Val-Andre, Plerin, Plogoff, Ploudalmezeau, Plouescat, Plougasnou, Plougastel-Daoulas, Plougrescant, Plouguerneau, Plouzane, Pordic, Saint-Cast-le-Guildo, Saint-Lunaire, Saint-Pol-de-Léon, Saint-Quay-Portrieux, Trebeurden and Tregastel is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average temperature of 62°F (min: 58°F/max: 66°F).

Where to go swimming in Brittany in july: the map of sea temperatures

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Water temperature and seasonal norms in july

Brest

July
Average sea temperature 62°F
Minimum sea temperature 58°F
Maximum sea temperature 66°F
Average outside temperature 65°F
Maximum outside temperature 68°F
Minimum outside temperature 61°F
Precipitation 3in
Number of days of precipitation 5 jour(s)
(15%)
Cloud cover 44%
Our opinion cold swimming

More information on swimming in Brest in july

Lorient

July
Average sea temperature 63°F
Minimum sea temperature 59°F
Maximum sea temperature 68°F
Average outside temperature 67°F
Maximum outside temperature 70°F
Minimum outside temperature 61°F
Precipitation 2.8in
Number of days of precipitation 4 jour(s)
(13%)
Cloud cover 37%
Our opinion cool swimming

More information on swimming in Lorient in july

Saint-Brieuc (Côtes d'Armor)

July
Average sea temperature 62°F
Minimum sea temperature 60°F
Maximum sea temperature 65°F
Average outside temperature 65°F
Maximum outside temperature 70°F
Minimum outside temperature 59°F
Precipitation 2.4in
Number of days of precipitation 3 jour(s)
(11%)
Cloud cover 44%
Our opinion cold swimming

More information on swimming in Saint-Brieuc (Côtes d'Armor) in july

Saint-Malo

July
Average sea temperature 62°F
Minimum sea temperature 59°F
Maximum sea temperature 65°F
Average outside temperature 67°F
Maximum outside temperature 70°F
Minimum outside temperature 61°F
Precipitation 2.8in
Number of days of precipitation 4 jour(s)
(14%)
Cloud cover 39%
Our opinion cold swimming

More information on swimming in Saint-Malo in july

Vannes

July
Average sea temperature 64°F
Minimum sea temperature 59°F
Maximum sea temperature 69°F
Average outside temperature 67°F
Maximum outside temperature 72°F
Minimum outside temperature 61°F
Precipitation 2.6in
Number of days of precipitation 4 jour(s)
(14%)
Cloud cover 34%
Our opinion cool swimming

More information on swimming in Vannes in july

List of coastal cities in Brittany

Brest in julycold swimming
Lorient in julycool swimming
Saint-Brieuc (Côtes d'Armor) in julycold swimming
Saint-Malo in julycold swimming
Vannes in julycool swimming
Concarneau in julycold swimming
Dinard in julycold swimming
Erquy in julycold swimming
The Quiberon peninsula in julycool swimming
Perros-Guirec in julycold swimming
Belle-Île-en-Mer in julycool swimming
Bénodet in julycold swimming
Cap Fréhel in julycold swimming
Carnac in julycool swimming
côte de granit rose (Pink Granite Coast) in julycold swimming
Le Crouesty in julycool swimming
Doëlan (Clohars-Carnoët) in julycold swimming
Douarnenez in julycold swimming
Fouesnant in julycold swimming
Molene Island (Île de Molène) in julycold swimming
Sein island (Île-de-Sein) in julycold swimming
Hoëdic in julycool swimming
Houat in julycool swimming
Brehat Island (Île de Bréhat) in julycold swimming
Lannion in julycold swimming
Ouessant in julycold swimming
Paimpol in julycold swimming
Ploumanac’h in julycold swimming
Pointe du Raz in julycold swimming
Roscoff in julycold swimming
Sables d'Or les Pins in julycold swimming
Binic in julycold swimming
Camaret-sur-Mer in julycold swimming
Cancale in julycold swimming
Crozon in julycold swimming
Groix in julycool swimming
Guilvinec in julycold swimming
Lanester in julycool swimming
Larmor-Plage in julycool swimming
Locquemeau in julycold swimming
Locquirec in julycold swimming
Loctudy in julycold swimming
Louannec in julycold swimming
Moelan-sur-Mer in julycold swimming
Muzillac in julycool swimming
Pleneuf-Val-Andre in julycold swimming
Plerin in julycold swimming
Ploemeur in julycool swimming
Plogoff in julycold swimming
Ploudalmezeau in julycold swimming
Plouescat in julycold swimming
Plougasnou in julycold swimming
Plougastel-Daoulas in julycold swimming
Plougrescant in julycold swimming
Plouguerneau in julycold swimming
Plouzane in julycold swimming
Pordic in julycold swimming
Saint-Cast-le-Guildo in julycold swimming
Saint-Lunaire in julycold swimming
Saint-Pol-de-Léon in julycold swimming
Saint-Quay-Portrieux in julycold swimming
Sarzeau in julycool swimming
Trebeurden in julycold swimming
Tregastel in julycold swimming
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