Measurements:
°C
°F
La Rochelle
60°F
SW 12 mph
Feels like: 58°F
Precip: 2%
World Resorts France La Rochelle Weather

La Rochelle Sea Water Temperature

Current Sea Water Temperature:
+64.6°F
Maximum Sea Water Temperature in October: 72.8°F
Minimum Sea Water Temperature in October: 59.4°F
Average water temperature in October: 64.2°F

Sea Water Temperature for the Last 10 Days:

October 19 64.6°F October 14 66.0°F
October 18 65.6°F October 13 64.6°F
October 17 66.4°F October 12 66.8°F
October 16 66.4°F October 11 67.0°F
October 15 66.8°F October 10 67.6°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: 2026 2025 2024

The average sea surface temperature in August 2026 for La Rochelle was 75.1°F. The maximum and minimum values were 72.8°F and 78.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for La Rochelle was 75.1°F. The maximum and minimum values were 71.6°F and 78.0°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for La Rochelle was 72.3°F. The maximum and minimum values were 68.8°F and 75.0°F respectively.

Best Time to Visit La Rochelle
The most sunny months:
August 18 days
July 18 days
September 16 days
The most warm months:
August 77.0 °F
July 76.4 °F
September 72.8 °F
Warmest sea temperature:
August 71.8 °F
July 71.0 °F
September 69.2 °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
F°
Antibes +72
Bordeaux +62
Cannes +72
Corsica +74
Deauville +56
Etretat +56
Marseilles +70
Menton +74
Montpellier +70
Nice +70
Paris +56
Perpignan +56
Saint-Tropez +72
Toulon +72
Toulouse +52
24 Hours Weather Forecast
La Rochelle
Local time: 15:31
19 oct, monday
1800 62°F
SW
9 mph
2100 56°F
W
12 mph
20 oct, tuesday
0000 54°F
SW
5 mph
0300 52°F
SE
6 mph
0600 52°F
SE
8 mph
0900 50°F
SE
5 mph
1200 54°F
E
4 mph
1500 58°F
E
10 mph