Swim in Brehat Island (Île de Bréhat) in march 2025What is the temperature of the sea in in march?

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

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

Minimum: 47°F

Average: 50°F

Maximum: 52°F

Other useful seasonal weather averages in march:

  • Outside temperature: 46°F to 51°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 3.1mph
  • It rains a total of 3.1in, over 5 day(s).

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

No... The water temperature in Brehat Island (Île de Bréhat) in march is freezing

You won't be able to swim in Brehat Island (Île de Bréhat) in march! The water temperature is freezing, reaching as low as 47°F (and only 52°F at best)! Our advice: if you are going to Brehat Island (Île de Bréhat) this month, plan to sightsee and forget the beach!

Note also that in march, the climate is bad with an average outside temperature of 48°F, 3.1in of precipitation (over 5 days) and 84.02 % humidity.

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

March
Average sea temperature 50°F
Minimum sea temperature 47°F
Maximum sea temperature 52°F
Average outside temperature 49°F
Maximum outside temperature 52°F
Minimum outside temperature 47°F
Wind speed 18mph
Wind temperature 41°F
Precipitation 3.1in
Number of days of rain 5 jour(s)
(17%)
Humidity 85%
Visibility in kilometers 9.36km
Cloud cover 49%
Our opinion freezing swimming

Swim elsewhere in Brittany in march

City Average T° Max. T° Our opinion
Brest in march51°F52°Ffreezing swimming
Lorient in march51°F52°Ffreezing swimming
Saint-Brieuc (Côtes d'Armor) in march49°F51°Ffreezing swimming
Saint-Malo in march48°F50°Ffreezing swimming
Vannes in march50°F52°Ffreezing swimming
Concarneau in march50°F52°Ffreezing swimming
Dinard in march48°F50°Ffreezing swimming
Erquy in march48°F50°Ffreezing swimming
Perros-Guirec in march49°F52°Ffreezing swimming
The Quiberon peninsula in march51°F53°Ffreezing swimming
Belle-Île-en-Mer in march51°F53°Ffreezing swimming
Bénodet in march51°F53°Ffreezing swimming
Cap Fréhel in march48°F50°Ffreezing swimming
Carnac in march50°F52°Ffreezing swimming
côte de granit rose (Pink Granite Coast) in march50°F52°Ffreezing swimming
Doëlan (Clohars-Carnoët) in march50°F52°Ffreezing swimming
Douarnenez in march51°F52°Ffreezing swimming
Fouesnant in march51°F52°Ffreezing swimming
Lannion in march50°F52°Ffreezing swimming
Le Crouesty in march50°F52°Ffreezing swimming

Swim in Brittany in march: sea temperature by city

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