Average sea water temperature in July:
+64.2°F
| Minimum sea water temperature in July: | 67.8°F |
| Maximum sea water temperature in July: | 59.4°F |
Daily sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 65.6°F. The highest and lowest sea temperatures during the month were 66.7°F and 63.7°F.
Monthly sea water temperature in Rennes, °F
Which France resorts have warmest sea in July?
| Place name | July 2025 | July 2024 |
|---|---|---|
| Portivecju | 80.0°F | 78.7°F |
| Bastia | 79.9°F | 79.1°F |
| Aiacciu | 78.9°F | 77.0°F |
| Corsica | 78.8°F | 76.8°F |
| Calvi | 78.7°F | 77.3°F |
| Roquebrune Cap Martin | 78.7°F | 77.5°F |
| Saint Jean Cap Ferrat | 78.6°F | 77.6°F |
| Theoule Sur Mer | 78.5°F | 77.7°F |
| Mandelieu la Napoule | 78.5°F | 77.7°F |
| Menton | 78.5°F | 77.3°F |
| Bunifaziu | 78.4°F | 76.2°F |
| Cannes | 78.4°F | 77.3°F |
| Frejus | 78.3°F | 76.7°F |
| Nice | 78.3°F | 77.4°F |
| Golfe Juan | 78.3°F | 77.2°F |
| Antibes | 78.2°F | 77.3°F |
| Juan les Pins | 78.2°F | 77.3°F |
| Sainte Maxime | 78.2°F | 76.4°F |
| Saint-Tropez | 78.1°F | 76.4°F |
| Saint Laurent du Var | 78.0°F | 77.2°F |
Best time for vacation in Rennes
Rennes on a weather map
Places in France:
Name
°F
24 Hours Forecast
Rennes
Local time: 23:54
December 31, wednesday
0000
30°F
SW
9 mph
9 mph
0300
30°F
SW
8 mph
8 mph
0600
28°F
SW
7 mph
7 mph
0900
27°F
SW
7 mph
7 mph
1200
37°F
W
10 mph
10 mph
1500
41°F
W
9 mph
9 mph
1800
32°F
SW
6 mph
6 mph
2100
28°F
W
6 mph
6 mph
