Swimming in Brehat Island (Île de Bréhat) in august 2025: Average sea temperature in august and tide times in august 2025

Average sea temperature in Brehat Island (Île de Bréhat) in august 2025.

In august, according to seasonal norms, the sea temperature in Brehat Island (Île de Bréhat) is:

Minimum: 61°F

Average: 64°F

Maximum: 66°F

Other useful seasonal weather averages in august:

  • Outside temperature: 61°F to 66°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 9.9mph
  • It rains a total of 3.5in, over 6 day(s).

Should we swim in Brehat Island (Île de Bréhat) in august?

Yes... and no. The water temperature in Brehat Island (Île de Bréhat) in august is cool

Swimming in august on the beaches of Brehat Island (Île de Bréhat) is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 66°F, it can also be as low as 61°F! Note that the average is 64°F.

Note also that in august, the climate is good with an average outside temperature of 63°F, 3.5in of precipitation (over 6 days) and 86.58 % humidity.

Water and normal seasonal temperatures in Brehat Island (Île de Bréhat) in august

August
Average sea temperature 64°F
Minimum sea temperature 61°F
Maximum sea temperature 66°F
Average outside temperature 65°F
Maximum outside temperature 67°F
Minimum outside temperature 61°F
Wind speed 13.7mph
Wind temperature 61°F
Precipitation 3.5in
Number of days of rain 6 jour(s)
(18%)
Humidity 87%
Visibility in kilometers 9.55km
Cloud cover 39%
Our opinion cool swimming

Chart of the tides in august 2025

Tide times in august 2025 in Brehat Island (Île de Bréhat)

Swim elsewhere in Brittany in august

City Average T° Max. T° Our opinion
Brest in august63°F65°Fcool swimming
Lorient in august65°F67°Fcool swimming
Saint-Brieuc (Côtes d'Armor) in august65°F67°Fcool swimming
Saint-Malo in august65°F67°Fcool swimming
Vannes in august65°F68°Fcool swimming
Concarneau in august64°F66°Fcool swimming
Dinard in august65°F67°Fcool swimming
Erquy in august65°F67°Fcool swimming
Perros-Guirec in august64°F66°Fcool swimming
The Quiberon peninsula in august66°F67°Fcool swimming
Belle-Île-en-Mer in august65°F68°Fcool swimming
Bénodet in august64°F66°Fcool swimming
Cap Fréhel in august65°F67°Fcool swimming
Carnac in august65°F67°Fcool swimming
côte de granit rose (Pink Granite Coast) in august63°F65°Fcold swimming
Doëlan (Clohars-Carnoët) in august64°F66°Fcool swimming
Douarnenez in august63°F65°Fcool swimming
Fouesnant in august64°F66°Fcool swimming
Lannion in august63°F65°Fcold swimming
Le Crouesty in august65°F67°Fcool swimming

Swim in Brittany in august: sea temperature by city

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