Measurements:
°C
°F
Saint Malo
56°F
W 10 mph
Feels like: 52°F
Precip: 3%
World Resorts France Saint Malo Weather

Saint Malo Sea Water Temperature

Current Sea Water Temperature:
+63.8°F
Maximum Sea Water Temperature in October: 67.6°F
Minimum Sea Water Temperature in October: 58.2°F
Average water temperature in October: 62.7°F

Sea Water Temperature for the Last 10 Days:

October 19 63.8°F October 14 65.4°F
October 18 64.4°F October 13 65.0°F
October 17 64.8°F October 12 65.6°F
October 16 64.6°F October 11 65.8°F
October 15 65.0°F October 10 66.4°F

When is the Warmest Sea for Saint Malo?

According to our data for the last three years for Saint Malo the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Saint Malo was 71.5°F. The maximum and minimum values were 69.4°F and 73.6°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Saint Malo was 69.3°F. The maximum and minimum values were 66.8°F and 71.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Saint Malo was 70.0°F. The maximum and minimum values were 67.8°F and 72.2°F respectively.

Best Time to Visit Saint Malo
The most sunny months:
July 14 days
August 12 days
June 11 days
The most warm months:
August 71.7 °F
July 71.2 °F
September 68.2 °F
Warmest sea temperature:
August 68.0 °F
September 66.8 °F
July 66.2 °F
The most cold months:
January 47.2 °F
February 48.0 °F
December 50.3 °F
The most rainy months:
November 6 days
December 6 days
January 5 days
The most windy months:
December 15 mph
February 14 mph
January 14 mph

Saint Malo on the Weather Map

France Resorts:
NAME
F°
Antibes +72
Bordeaux +62
Cannes +72
Corsica +74
Deauville +56
Etretat +56
Marseilles +70
Menton +74
Montpellier +70
Nice +70
Paris +56
Perpignan +56
Saint-Tropez +72
Toulon +72
Toulouse +52
24 Hours Weather Forecast
Saint Malo
Local time: 15:31
19 oct, monday
1800 58°F
SW
7 mph
2100 56°F
W
11 mph
20 oct, tuesday
0000 54°F
W
12 mph
0300 52°F
S
8 mph
0600 54°F
SE
13 mph
0900 58°F
E
14 mph
1200 56°F
E
19 mph
1500 58°F
E
13 mph