Swimming in Saint-Malo in march 2025: Average sea temperature in march and tide times in march 2025
Average sea temperature in Saint-Malo in march 2025.

In march, according to seasonal norms, the sea temperature in Saint-Malo is:
Minimum: 46°F
Average: 48°F
Maximum: 50°F
Other useful seasonal weather averages in march:
- Outside temperature: 44°F to 53°F
- Most common weather: "Clear/Sunny"
- The wind blows at 1.9mph
- It rains a total of 3.1in, over 6 day(s).
Should we swim in Saint-Malo in march?
No... The water temperature in Saint-Malo in march is freezing
You won't be able to swim in Saint-Malo in march! The water temperature is freezing, reaching as low as 46°F (and only 50°F at best)! Our advice: if you are going to Saint-Malo 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 6 days) and 87.18 % humidity.
Water and normal seasonal temperatures in Saint-Malo in march
March | |||
Average sea temperature | 48°F | ||
Minimum sea temperature | 46°F | ||
Maximum sea temperature | 50°F | ||
Average outside temperature | 49°F | ||
Maximum outside temperature | 54°F | ||
Minimum outside temperature | 45°F | ||
Wind speed | 16.2mph | ||
Wind temperature | 38°F | ||
Precipitation | 3.1in | ||
Number of days of rain | 6 jour(s) (18%) | ||
Humidity | 88% | ||
Visibility in kilometers | 9.35km | ||
Cloud cover | 48% | ||
Our opinion | freezing swimming |
Chart of the tides in march 2025
Tide times in march 2025 in Saint-Malo
Swim elsewhere in Brittany in march
City | Average T° | Min. T° | Max. T° | Our opinion |
Brest in march | 51°F | 52°F | freezing swimming | |
Lorient in march | 51°F | 52°F | freezing swimming | |
Saint-Brieuc (Côtes d'Armor) in march | 49°F | 51°F | freezing swimming | |
Vannes in march | 50°F | 52°F | freezing swimming | |
Concarneau in march | 50°F | 52°F | freezing swimming | |
Dinard in march | 48°F | 50°F | freezing swimming | |
Erquy in march | 48°F | 50°F | freezing swimming | |
Perros-Guirec in march | 49°F | 52°F | freezing swimming | |
The Quiberon peninsula in march | 51°F | 53°F | freezing swimming | |
Belle-Île-en-Mer in march | 51°F | 53°F | freezing swimming | |
Bénodet in march | 51°F | 53°F | freezing swimming | |
Brehat Island (Île de Bréhat) in march | 50°F | 52°F | freezing swimming | |
Cap Fréhel in march | 48°F | 50°F | freezing swimming | |
Carnac in march | 50°F | 52°F | freezing swimming | |
côte de granit rose (Pink Granite Coast) in march | 50°F | 52°F | freezing swimming | |
Doëlan (Clohars-Carnoët) in march | 50°F | 52°F | freezing swimming | |
Douarnenez in march | 51°F | 52°F | freezing swimming | |
Fouesnant in march | 51°F | 52°F | freezing swimming | |
Lannion in march | 50°F | 52°F | freezing swimming | |
Le Crouesty in march | 50°F | 52°F | freezing swimming |