Swimming in Belle-Île-en-Mer in april 2025: Average sea temperature in april and tide times in april 2025
Average sea temperature in Belle-Île-en-Mer in april 2025.

In april, according to seasonal norms, the sea temperature in Belle-Île-en-Mer is:
Minimum: 50°F
Average: 54°F
Maximum: 59°F
Other useful seasonal weather averages in april:
- Outside temperature: 51°F to 55°F
- Most common weather: "Clear/Sunny"
- The wind blows at 5mph
- It rains a total of 2.6in, over 4 day(s).
Should we swim in Belle-Île-en-Mer in april?
No... The water temperature in Belle-Île-en-Mer in april is freezing
You won't be able to swim in Belle-Île-en-Mer in april! The water temperature is freezing, reaching as low as 50°F (and only 59°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 april, the climate is tolerable with an average outside temperature of 53°F, 2.6in of precipitation (over 4 days) and 81.7 % humidity.
Water and normal seasonal temperatures in Belle-Île-en-Mer in april
April | |||
Average sea temperature | 54°F | ||
Minimum sea temperature | 50°F | ||
Maximum sea temperature | 59°F | ||
Average outside temperature | 54°F | ||
Maximum outside temperature | 56°F | ||
Minimum outside temperature | 52°F | ||
Wind speed | 17.4mph | ||
Wind temperature | 47°F | ||
Precipitation | 2.6in | ||
Number of days of rain | 4 jour(s) (13%) | ||
Humidity | 82% | ||
Visibility in kilometers | 9.62km | ||
Cloud cover | 34% | ||
Our opinion | freezing swimming |
Chart of the tides in april 2025
Tide times in april 2025 in Belle-Île-en-Mer
Swim elsewhere in Brittany in april
City | Average T° | Min. T° | Max. T° | Our opinion |
Brest in april | 53°F | 56°F | freezing swimming | |
Lorient in april | 54°F | 58°F | freezing swimming | |
Saint-Brieuc (Côtes d'Armor) in april | 52°F | 54°F | freezing swimming | |
Saint-Malo in april | 51°F | 54°F | freezing swimming | |
Vannes in april | 54°F | 58°F | freezing swimming | |
Concarneau in april | 54°F | 58°F | freezing swimming | |
Dinard in april | 51°F | 54°F | freezing swimming | |
Erquy in april | 51°F | 54°F | freezing swimming | |
Perros-Guirec in april | 52°F | 54°F | freezing swimming | |
The Quiberon peninsula in april | 54°F | 58°F | freezing swimming | |
Bénodet in april | 54°F | 57°F | freezing swimming | |
Brehat Island (Île de Bréhat) in april | 52°F | 54°F | freezing swimming | |
Cap Fréhel in april | 51°F | 54°F | freezing swimming | |
Carnac in april | 54°F | 58°F | freezing swimming | |
côte de granit rose (Pink Granite Coast) in april | 52°F | 54°F | freezing swimming | |
Doëlan (Clohars-Carnoët) in april | 53°F | 57°F | freezing swimming | |
Douarnenez in april | 53°F | 56°F | freezing swimming | |
Fouesnant in april | 53°F | 57°F | freezing swimming | |
Lannion in april | 52°F | 54°F | freezing swimming | |
Le Crouesty in april | 54°F | 58°F | freezing swimming |