Measurements:
°C
°F
La Rochelle
74°F
E 13 mph
Feels like: 74°F
Precip: 6%
World Resorts France La Rochelle Weather

La Rochelle Sea Water Temperature

Current Sea Water Temperature:
+73.0°F
Maximum Sea Water Temperature in July: 78.0°F
Minimum Sea Water Temperature in July: 65.6°F
Average water temperature in July: 71.0°F

Sea Water Temperature for the Last 10 Days:

July 30 73.0°F July 25 72.8°F
July 29 72.8°F July 24 73.6°F
July 28 72.2°F July 23 73.4°F
July 27 71.6°F July 22 73.6°F
July 26 72.0°F July 21 74.6°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: 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: 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: 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 18 days
September 16 days
The most warm months:
August 77.0 °F
July 76.4 °F
September 72.9 °F
Warmest sea temperature:
August 71.6 °F
July 71.0 °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 +90
Arcachon +80
Cannes +92
Corsica +92
Deauville +76
Etretat +70
Marseilles +88
Menton +88
Montpellier +88
Nice +92
Paris +92
Perpignan +92
Saint-Tropez +92
Toulon +92
Toulouse +100
24 Hours Weather Forecast
La Rochelle
Local time: 14:58
30 jul, thursday
1500 74°F
E
13 mph
1800 74°F
E
15 mph
2100 72°F
SE
15 mph
31 jul, friday
0000 68°F
SE
11 mph
0300 66°F
SE
9 mph
0600 66°F
S
9 mph
0900 70°F
S
11 mph
1200 76°F
SE
9 mph