Weather in La Rochelle: July
| Average day temperature: | 73.5°F | |
| Average night temperature: | 63.9°F | |
| Sea water temperature: | 68.7°F | |
| Number of sunny days: | 17 days | |
| Day length: | 14.8 - 15.7 hours | |
| Number of rainy days: | 3 days | |
| Precipitation totals: | 1.2 in. | |
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| La Rochelle |
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| La Rochelle |
Air temperature in July, °F
The highest day temperature during July of 2025 was 84°F. At the same time the lowest night temperature was 56°F. Daily and nightly averages during July were 72.4°F and 64.0°F.
Sea water temperature in La Rochelle in July, °F
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.
Mostly all days in July are sunny but cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in La Rochelle in July is 0.9 in. Other months of the year show relatively similar values.
The average wind speed value in July is 11.0 mph It makes July one of the least windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 10.5.
Best time for vacation in La Rochelle
La Rochelle on a weather map

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