The highest day temperature in July 2026 was 96°F. The lowest night temperature was 62°F. The average values for day and night temperatures during July were 81.6°F и 69.9°F respectivly.

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.

Most of the days in July are sunny but you can also expect cloudy and gloomy days.

Precipitation total in July for La Rochelle is 1.2 in. It makes july one of the least rainy months of the year.

The average wind speed in July is 10.8 mph. It makes July one of the most windless months of the year for La Rochelle.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for La Rochelle in July is 11.0 hours.