Measurements:
°C
°F
La Rochelle
54°F
N 6 mph
Feels like: 52°F
Precip: 0%
World Resorts France La Rochelle Weather

La Rochelle Sea Water Temperature

Current Sea Water Temperature:
+55.6°F
Maximum Sea Water Temperature in March: 56.2°F
Minimum Sea Water Temperature in March: 44.4°F
Average water temperature in March: 50.6°F

Sea Water Temperature for the Last 10 Days:

March 10 55.6°F March 05 53.8°F
March 09 54.2°F March 04 53.8°F
March 08 54.0°F March 03 53.8°F
March 07 53.4°F March 02 53.6°F
March 06 53.6°F March 01 53.4°F

When is the Warmest Sea for La Rochelle?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for La Rochelle was 72.4°F. The maximum and minimum values were 70.4°F and 73.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for La Rochelle was 72.6°F. The maximum and minimum values were 70.4°F and 75.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for La Rochelle was 69.2°F. The maximum and minimum values were 66.6°F and 71.4°F respectively.

Best Time to Visit La Rochelle
The most sunny months:
August 18 days
July 17 days
September 16 days
The most warm months:
August 77.0 °F
July 76.1 °F
September 72.9 °F
Warmest sea temperature:
August 71.6 °F
July 70.7 °F
September 69.0 °F
The most cold months:
January 48.9 °F
February 49.4 °F
December 52.4 °F
The most rainy months:
November 6 days
December 6 days
February 5 days
The most windy months:
December 14 mph
November 14 mph
January 14 mph

La Rochelle on the Weather Map

France Resorts:
NAME
Antibes +54
Biarritz +54
Bordeaux +60
Cannes +56
Chamonix +36
Corsica +60
Etretat +50
Marseilles +60
Menton +54
Montpellier +58
Nice +52
Paris +58
Perpignan +58
Saint-Tropez +56
Toulouse +58
24 Hours Weather Forecast
La Rochelle
Local time: 11:07
10 mar, tuesday
1200 54°F
N
6 mph
1500 56°F
NE
9 mph
1800 54°F
NE
9 mph
2100 52°F
NE
9 mph
11 mar, wednesday
0000 52°F
NE
14 mph
0300 52°F
NE
16 mph
0600 52°F
NE
20 mph
0900 54°F
NE
21 mph