Current Sea Water Temperature:
+71.4°F
| Maximum Sea Water Temperature in July: | 72.2°F |
| Minimum Sea Water Temperature in July: | 60.2°F |
| Average water temperature in July: | 66.2°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| July 30 | 71.4°F | July 25 | 71.4°F |
| July 29 | 71.6°F | July 24 | 70.8°F |
| July 28 | 70.4°F | July 23 | 69.6°F |
| July 27 | 70.6°F | July 22 | 68.4°F |
| July 26 | 71.8°F | July 21 | 68.4°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
The average sea surface temperature in August 2025 for Saint Malo was 70.0°F. The maximum and minimum values were 68.8°F and 71.2°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Saint Malo was 66.9°F. The maximum and minimum values were 64.2°F and 69.4°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2026 for Saint Malo was 69.9°F. The maximum and minimum values were 67.8°F and 72.2°F respectively.
France Resorts:
NAME
F°
| Antibes |  |
+90 |
| Arcachon |  |
+80 |
| Cannes | |
+92 |
| Corsica | |
+92 |
| Deauville | |
+76 |
| Etretat |  |
+70 |
| Marseilles | |
+88 |
| Menton | |
+88 |
| Montpellier | |
+88 |
| Nice | |
+92 |
| Paris | |
+92 |
| Perpignan | |
+92 |
| Saint-Tropez | |
+92 |
| Toulon | |
+92 |
| Toulouse | |
+100 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Saint Malo
Local time: 14:59
30 jul, thursday
| 1500 |  |
74°F | S 9 mph |
| 1800 |  |
72°F | S 12 mph |
| 2100 | |
68°F | SE 13 mph |
31 jul, friday
| 0000 |  |
66°F | SE 12 mph |
| 0300 | |
66°F | SE 13 mph |
| 0600 |  |
64°F | SE 11 mph |
| 0900 | |
66°F | SE 13 mph |
| 1200 | |
70°F | S 12 mph |