Current sea water temperature:
+46.9°F
| Minimum sea water temperature in February: | 49.3°F |
| Maximum sea water temperature in February: | 44.4°F |
| Average sea water temperature in February: | 47.0°F |
| more information | |
14 days
forecast
forecast
| Rennes |
monthly
weather
weather
| Rennes |
Sea water temperature for the last 10 days:
| February 4 | 46.9°F | January 30 | 47.1°F |
| February 3 | 47.1°F | January 29 | 46.9°F |
| February 2 | 46.8°F | January 28 | 46.8°F |
| February 1 | 46.2°F | January 27 | 47.5°F |
| January 31 | 46.6°F | January 26 | 46.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Rennes?
Based on the data about daily sea water temperature for the last three years the warmest sea in Rennes was noticed in August, September and July.
Monthly Sea Temperatures in Rennes, °F
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.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 64.9°F. The highest and lowest sea temperatures during the month were 66.9°F and 62.8°F.
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.
current
weather
weather
| Rennes |
weather in
February
February
| Rennes |
Best time for vacation in Rennes
Rennes on a weather map
Places in France:
Name
°F
24 Hours Forecast
Rennes
Local time: 04:26
February 05, thursday
0600

46°F
N
12 mph
12 mph
0900

48°F
N
12 mph
12 mph
1200

50°F
N
16 mph
16 mph
1500

50°F
NW
7 mph
7 mph
1800

48°F
NW
14 mph
14 mph
2100

46°F
NW
7 mph
7 mph
February 06, friday
0000

46°F
E
10 mph
10 mph
0300

43°F
NE
8 mph
8 mph



























