Réserve naturelle régionale de la ferme de Choisy
- Annual mean
- 12.4 °C
- Warmest month
- August
- Wettest month
- November
Annual profiles of temperature, precipitation, wind, and daylight based on long-term regional data
Access detailed climate normals for Réserve naturelle nationale de la casse de la Belle-Henriette, derived from NASA POWER datasets for the 1991 to 2020 period. Measurements at this representative 44.32 m elevation point include mean, minimum, and maximum temperatures, average daily precipitation rates, relative humidity, wind speed, and daylight hours. These figures provide a structured twelve-month overview of the atmospheric conditions surrounding this Vendée landscape.

Long-term monthly averages tracking temperature ranges and daily precipitation rates across the twelve-month cycle
Twelve-month comparison of average temperatures, precipitation rates, humidity, wind, and daylight
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 5.9 °C-3.9° to 13.7° | 2.6 mm/day | 90.9% | 5.3 m/s | 8.9 hours |
| February | 6 °C-3.3° to 14.6° | 2.2 mm/day | 87.3% | 5.2 m/s | 10.1 hours |
| March | 8.5 °C-1.3° to 18.2° | 1.9 mm/day | 83.6% | 4.9 m/s | 11.7 hours |
| April | 10.8 °C1.1° to 21.6° | 2 mm/day | 80% | 4.7 m/s | 13.4 hours |
| May | 14.4 °C4.6° to 25.6° | 1.9 mm/day | 78.4% | 4.4 m/s | 14.8 hours |
| June | 17.6 °C8.4° to 29° | 1.5 mm/day | 76.4% | 4.2 m/s | 15.5 hours |
| July | 19.6 °C10.9° to 30.7° | 1.5 mm/day | 74% | 4.1 m/s | 15.2 hours |
| August | 19.6 °C10.4° to 30.8° | 1.5 mm/day | 73.5% | 4 m/s | 13.9 hours |
| September | 16.9 °C7.7° to 27.4° | 2 mm/day | 76% | 4.2 m/s | 12.3 hours |
| October | 13.4 °C3.8° to 22.6° | 2.7 mm/day | 83.8% | 4.7 m/s | 10.6 hours |
| November | 9.2 °C-0.1° to 17.8° | 3.2 mm/day | 88.8% | 5 m/s | 9.2 hours |
| December | 6.5 °C-3° to 14.4° | 3 mm/day | 91.3% | 5.3 m/s | 8.5 hours |
Comparative peaks and minimums across long term temperature, precipitation, wind, humidity, and daylight normals
Interactive climate map
Visit the MoriAtlas climate map to compare long-term monthly temperature and precipitation metrics across national parks. This visual interface helps you understand seasonal variations at specific protected area coordinates to deepen your knowledge of global park geography and environmental characteristics.
Analyze monthly temperature, precipitation, and regional atmospheric patterns across protected landscapes


Deepen your understanding of this vital Atlantic nature reserve by exploring its mapped boundaries and coastal features. MoriAtlas provides a structured look at how the lagoon, dunes, and saltmarshes interlink to form a cohesive conservation area within the Vendée coastal system.