Swim in Belle-Île-en-Mer in march 2025What is the temperature of the sea in in march?

Average sea temperature in Belle-Île-en-Mer in march 2025.

In march, according to seasonal norms, the sea temperature in Belle-Île-en-Mer is:

Minimum: 49°F

Average: 51°F

Maximum: 53°F

Other useful seasonal weather averages in march:

  • Outside temperature: 49°F to 52°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 3.7mph
  • It rains a total of 3.2in, over 6 day(s).

Should we swim in Belle-Île-en-Mer in march?

No... The water temperature in Belle-Île-en-Mer in march is freezing

You won't be able to swim in Belle-Île-en-Mer in march! The water temperature is freezing, reaching as low as 49°F (and only 53°F at best)! Our advice: if you are going to Belle-Île-en-Mer this month, plan to sightsee and forget the beach!

Note also that in march, the climate is bad with an average outside temperature of 50°F, 3.2in of precipitation (over 6 days) and 82.62 % humidity.

Water and normal seasonal temperatures in Belle-Île-en-Mer in march

March
Average sea temperature 51°F
Minimum sea temperature 49°F
Maximum sea temperature 53°F
Average outside temperature 50°F
Maximum outside temperature 54°F
Minimum outside temperature 49°F
Wind speed 19.9mph
Wind temperature 43°F
Precipitation 3.2in
Number of days of rain 6 jour(s)
(19%)
Humidity 83%
Visibility in kilometers 9.51km
Cloud cover 42%
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
Bénodet in march51°F53°Ffreezing swimming
Brehat Island (Île de Bréhat) in march50°F52°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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