Average sea water temperature in August:
+65.9°F
| Minimum sea water temperature in August: | 68.7°F |
| Maximum sea water temperature in August: | 63.1°F |
Daily sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 67.3°F. The highest and lowest sea temperatures during the month were 68.2°F and 65.7°F.
Monthly sea water temperature in Rennes, °F
Which France resorts have warmest sea in August?
| Place name | August 2025 | August 2024 |
|---|---|---|
| Portivecju | 79.5°F | 82.2°F |
| Bastia | 79.4°F | 82.7°F |
| Saint Jean Cap Ferrat | 78.8°F | 81.9°F |
| Roquebrune Cap Martin | 78.7°F | 81.5°F |
| Menton | 78.6°F | 81.4°F |
| Nice | 78.6°F | 81.6°F |
| Theoule Sur Mer | 78.5°F | 81.4°F |
| Mandelieu la Napoule | 78.5°F | 81.4°F |
| Cannes | 78.5°F | 81.5°F |
| Calvi | 78.4°F | 80.8°F |
| Golfe Juan | 78.4°F | 81.4°F |
| Bunifaziu | 78.4°F | 80.3°F |
| Juan les Pins | 78.4°F | 81.4°F |
| Antibes | 78.4°F | 81.4°F |
| Saint Laurent du Var | 78.3°F | 81.2°F |
| Cagnes sur Mer | 78.2°F | 81.1°F |
| Frejus | 78.1°F | 80.7°F |
| Aiacciu | 78.0°F | 80.3°F |
| Saint-Tropez | 77.9°F | 80.6°F |
| Sainte Maxime | 77.9°F | 80.5°F |
Best time for vacation in Rennes
Rennes on a weather map
Places in France:
Name
°F
24 Hours Forecast
Rennes
Local time: 03:51
December 24, wednesday
0600
36°F
SW
14 mph
14 mph
0900
36°F
SW
14 mph
14 mph
1200
41°F
SW
17 mph
17 mph
1500
41°F
SW
17 mph
17 mph
1800
36°F
SW
18 mph
18 mph
2100
34°F
SW
18 mph
18 mph
December 25, thursday
0000
30°F
SW
16 mph
16 mph
0300
30°F
SW
15 mph
15 mph
