Average sea water temperature in July:
+64.2°F
| Minimum sea water temperature in July: | 68.9°F |
| Maximum sea water temperature in July: | 59.4°F |
Daily sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 66.9°F. The highest and lowest sea temperatures during the month were 68.9°F and 64.9°F.
Monthly sea water temperature in Rennes, °F
Which France resorts have warmest sea in July?
| Place name | July 2026 | July 2025 |
|---|---|---|
| Bastia | 81.6°F | 79.9°F |
| Portivecju | 81.5°F | 80.0°F |
| Saint Jean Cap Ferrat | 80.3°F | 78.6°F |
| Theoule Sur Mer | 80.0°F | 78.5°F |
| Mandelieu la Napoule | 80.0°F | 78.5°F |
| Nice | 80.0°F | 78.3°F |
| Cannes | 79.9°F | 78.4°F |
| Golfe Juan | 79.8°F | 78.3°F |
| Antibes | 79.8°F | 78.2°F |
| Juan les Pins | 79.8°F | 78.2°F |
| Roquebrune Cap Martin | 79.7°F | 78.7°F |
| Bunifaziu | 79.6°F | 78.4°F |
| Saint Laurent du Var | 79.6°F | 78.0°F |
| Menton | 79.6°F | 78.5°F |
| Aiacciu | 79.6°F | 78.9°F |
| Cagnes sur Mer | 79.5°F | 77.9°F |
| Calvi | 79.4°F | 78.7°F |
| Frejus | 79.4°F | 78.3°F |
| Corsica | 79.3°F | 78.8°F |
| Saint-Tropez | 79.1°F | 78.1°F |
Best time for vacation in Rennes
Rennes on a weather map
Places in France:
Name
°F
24 Hours Forecast
Rennes
Local time: 19:41
July 16, thursday
2100
64°F
S
4 mph
4 mph
July 17, friday
0000
63°F
S
3 mph
3 mph
0300
61°F
SE
3 mph
3 mph
0600
57°F
S
6 mph
6 mph
0900
64°F
SW
6 mph
6 mph
1200
75°F
SW
7 mph
7 mph
1500
82°F
S
9 mph
9 mph
1800
82°F
S
15 mph
15 mph
