World Resorts France La Rochelle Weather

La Rochelle sea water temperature

Current sea water temperature:
+60.6°F
Minimum sea water temperature in May: 66.4°F
Maximum sea water temperature in May: 53.8°F
Average sea water temperature in May: 60.0°F

Sea water temperature for the last 10 days:

May 17 60.6°F May 12 63.0°F
May 16 61.2°F May 11 64.6°F
May 15 61.5°F May 10 64.0°F
May 14 63.0°F May 9 64.0°F
May 13 62.4°F May 8 62.8°F

When is the warmest sea in La Rochelle?

Based on the data about daily sea water temperature for the last three years the warmest sea in La Rochelle was noticed in August, July and September.

Monthly Sea Temperatures in La Rochelle, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 70.2°F. The highest and lowest sea temperatures during the month were 71.2°F and 68.4°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 70.4°F. The highest and lowest sea temperatures during the month were 73.2°F and 68.4°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 67.3°F. The highest and lowest sea temperatures during the month were 69.3°F and 64.9°F.

Best time for vacation in La Rochelle

Sunniest months:
August 18 days
July 17 days
September 16 days
Warmest months:
August 74.3 °F
July 73.5 °F
September 70.6 °F
Warmest sea temp:
August 69.4 °F
July 68.7 °F
September 67.1 °F
Coldest months:
January 49.0 °F
February 49.5 °F
December 52.2 °F
Rainiest months:
November 6 days
December 6 days
February 5 days
Windiest months:
December 14.3 mph
November 13.8 mph
January 13.8 mph

La Rochelle on a weather map

La Rochelle
+57°F
NE 9 mph
Feels like: +54°F
Precip.: 100%
Places in France:
Name
°F
+46°F
+61°F
+55°F
+55°F
+61°F
+61°F
+61°F
+61°F
+59°F
+61°F
+52°F
+59°F
+61°F
+52°F
+50°F
24 Hours Forecast
La Rochelle
Local time: 09:21
May 18, monday
1200
57°F
NE
11 mph
1500
59°F
E
11 mph
1800
59°F
NE
12 mph
2100
57°F
NE
11 mph
May 19, tuesday
0000
55°F
NE
14 mph
0300
55°F
NE
16 mph
0600
57°F
NE
18 mph
0900
57°F
NE
21 mph
Units of measurement: °C / °F