La Rochelle weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Good
Best time to visit: July – August
What is the weather like in La Rochelle in August?
In August, La Rochelle is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. The sea averages 20.0 °C – refreshing for a swim. The sun shines for around 8 hours a day. Rain falls on about 7 days, adding up to 40 mm. All in all, August is a good month for a holiday in La Rochelle.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 72 | 76 | 53 |
| Day | 24° | 24° | 22° |
| Night | 17° | 17° | 15° |
| Sea | 19° | 20° | 19° |
| Sun | 9 h | 8 h | 7 h |
| Rain days | 7 | 7 | 8 |
More details for August
- Daylight
- 14 h 13 min07:03 – 21:16
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 4 daysdew point 18 °C or moreAll months
- Wind
- 21 km/haverage daily peakAll months
- Cloud cover
- 47 %on averageAll months
- Hot days
- 3 days30 °C or moreAll months
- Time zone
- UTC+2Europe/Paris
How the score comes together
- Temperatureweight 35 %90 %
- Seaweight 25 %43 %
- Sunshineweight 20 %90 %
- Few rainy daysweight 20 %78 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in August
- Swimwear
- Sunscreen
- Sunglasses & sun hat
La Rochelle in August: quick answers
Is La Rochelle hot in August?
Warm rather than hot: in August, daytime highs in La Rochelle average 24 °C and nights cool to about 17 °C. On about 3 days the thermometer climbs to 30 °C or more.
Can you swim in La Rochelle in August?
Yes. In August the sea averages 20.0 °C – refreshing for a swim.
Does it rain much in La Rochelle in August?
Rain falls on about 7 days, adding up to 40 mm.
La Rochelle month by month
The whole year in La RochelleAll destinations: FranceWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences