Swimming in Saint-Malo in august 2025: Average sea temperature in august and tide times in august 2025
Average sea temperature in Saint-Malo in august 2025.
In august, according to seasonal norms, the sea temperature in Saint-Malo is:
Minimum: 63°F
Average: 65°F
Maximum: 67°F
Other useful seasonal weather averages in august:
- Outside temperature: 60°F to 70°F
- Most common weather: "Clear/Sunny"
- The wind blows at 9.3mph
- It rains a total of 3.5in, over 6 day(s).
Should we swim in Saint-Malo in august?
Yes... and no. The water temperature in Saint-Malo in august is cool
Swimming in august on the beaches of Saint-Malo is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 67°F, it can also be as low as 63°F! Note that the average is 65°F.
Note also that in august, the climate is good with an average outside temperature of 65°F, 3.5in of precipitation (over 6 days) and 87.9 % humidity.
Water and normal seasonal temperatures in Saint-Malo in august
| August | |||
| Average sea temperature | 65°F | ||
| Minimum sea temperature | 63°F | ||
| Maximum sea temperature | 67°F | ||
| Average outside temperature | 67°F | ||
| Maximum outside temperature | 70°F | ||
| Minimum outside temperature | 61°F | ||
| Wind speed | 12.4mph | ||
| Wind temperature | 59°F | ||
| Precipitation | 3.5in | ||
| Number of days of rain | 6 jour(s) (18%) | ||
| Humidity | 88% | ||
| Visibility in kilometers | 9.43km | ||
| Cloud cover | 39% | ||
| Our opinion | cool swimming |
Chart of the tides in august 2025
Tide times in august 2025 in Saint-Malo
Swim elsewhere in Brittany in august
| City | Average T° | Min. T° | Max. T° | Our opinion | Brest in august | 63°F | 65°F | cool swimming | Lorient in august | 65°F | 67°F | cool swimming | Saint-Brieuc (Côtes d'Armor) in august | 65°F | 67°F | cool swimming | Vannes in august | 65°F | 68°F | cool swimming | Concarneau in august | 64°F | 66°F | cool swimming | Dinard in august | 65°F | 67°F | cool swimming | Erquy in august | 65°F | 67°F | cool swimming | Perros-Guirec in august | 64°F | 66°F | cool swimming | The Quiberon peninsula in august | 66°F | 67°F | cool swimming | Belle-Île-en-Mer in august | 65°F | 68°F | cool swimming | Bénodet in august | 64°F | 66°F | cool swimming | Brehat Island (Île de Bréhat) in august | 64°F | 66°F | cool swimming | Cap Fréhel in august | 65°F | 67°F | cool swimming | Carnac in august | 65°F | 67°F | cool swimming | côte de granit rose (Pink Granite Coast) in august | 63°F | 65°F | cold swimming | Doëlan (Clohars-Carnoët) in august | 64°F | 66°F | cool swimming | Douarnenez in august | 63°F | 65°F | cool swimming | Fouesnant in august | 64°F | 66°F | cool swimming | Lannion in august | 63°F | 65°F | cold swimming | Le Crouesty in august | 65°F | 67°F | cool swimming |