Measurements:
°C
°F
Rennes
42°F
SE 22 mph
Feels like: 32°F
Precip: 65%
World Resorts France Rennes Weather

Rennes Sea Water Temperature

Current Sea Water Temperature:
+50.8°F
Maximum Sea Water Temperature in December: 56.2°F
Minimum Sea Water Temperature in December: 48.8°F
Average water temperature in December: 51.6°F

Sea Water Temperature for the Last 10 Days:

December 22 50.8°F December 17 51.4°F
December 21 50.8°F December 16 51.6°F
December 20 51.0°F December 15 51.6°F
December 19 51.2°F December 14 51.8°F
December 18 51.2°F December 13 51.8°F

When is the Warmest Sea for Rennes?

According to our data for the last three years for Rennes the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Rennes was 68.3°F. The maximum and minimum values were 67.0°F and 69.2°F respectively.

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Rennes was 66.4°F. The maximum and minimum values were 64.4°F and 68.2°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022

The average sea surface temperature in July 2024 for Rennes was 65.6°F. The maximum and minimum values were 63.4°F and 67.4°F respectively.

Best Time to Visit Rennes
The most sunny months:
July 12 days
August 12 days
September 11 days
The most warm months:
August 76.3 °F
July 76.3 °F
September 71.7 °F
Warmest sea temperature:
August 67.5 °F
September 66.5 °F
July 65.6 °F
The most cold months:
January 45.8 °F
February 47.8 °F
December 48.5 °F
The most rainy months:
June 5 days
November 4 days
April 4 days
The most windy months:
February 11 mph
December 11 mph
March 10 mph

Rennes on the Weather Map

France Resorts:
NAME
Antibes +54
Biarritz +52
Bordeaux +48
Cannes +54
Corsica +56
Etretat +46
Marseilles +54
Menton +56
Montpellier +52
Nice +52
Paris +40
Perpignan +54
Saint-Tropez +54
Toulon +54
Toulouse +48
24 Hours Weather Forecast
Rennes
Local time: 17:26
22 dec, sunday
1800 42°F
SE
22 mph
2100 42°F
SE
20 mph
23 dec, monday
0000 42°F
SE
19 mph
0300 42°F
SE
17 mph
0600 42°F
SE
17 mph
0900 42°F
SE
14 mph
1200 46°F
SE
13 mph
1500 48°F
SE
11 mph