
Réserve naturelle régionale du marais « Les trous de Leu »
- Annual mean
- 10.3 °C
- Warmest month
- July
- Wettest month
- December
Twelve-month climatological profiles based on representative elevation measurements (1991 to 2020).
Explore the multi-year climate patterns of Réserve naturelle régionale des coteaux du Chemin des Dames through monthly averages derived from NASA POWER datasets. These records detail temperature variability, daily precipitation rates, humidity, wind, and available daylight at a representative point, illustrating local atmospheric cycles without implying current weather or park-wide uniformity. The data supports analysis of long-term environmental trends across the calendar year.
Long-term monthly averages tracking temperature ranges and daily precipitation rates across the year
Twelve-month climatology of temperature, precipitation, wind, and daylight
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 2.2 °C-7° to 11.5° | 2.1 mm/day | 93.1% | 5.1 m/s | 8.5 hours |
| February | 2.9 °C-6.1° to 12.8° | 2 mm/day | 89.9% | 5 m/s | 9.9 hours |
| March | 6.1 °C-3.6° to 17.6° | 1.7 mm/day | 84.5% | 4.7 m/s | 11.6 hours |
| April | 9.5 °C-1.6° to 21.7° | 1.6 mm/day | 79.5% | 4.2 m/s | 13.5 hours |
| May | 13.4 °C2.4° to 25.1° | 2 mm/day | 78.1% | 4 m/s | 15.1 hours |
| June | 16.7 °C6.2° to 28.8° | 2.1 mm/day | 76.6% | 3.8 m/s | 16 hours |
| July | 18.9 °C9° to 31.4° | 1.9 mm/day | 73.4% | 3.7 m/s | 15.6 hours |
| August | 18.7 °C8.5° to 31.5° | 2.1 mm/day | 73.1% | 3.5 m/s | 14.2 hours |
| September | 15.1 °C5.5° to 26.7° | 1.8 mm/day | 76.8% | 3.8 m/s | 12.3 hours |
| October | 10.7 °C0.8° to 22° | 2.1 mm/day | 84.9% | 4.4 m/s | 10.4 hours |
| November | 6 °C-2.6° to 16.3° | 2.1 mm/day | 91.8% | 4.5 m/s | 8.8 hours |
| December | 2.9 °C-5.6° to 11.8° | 2.7 mm/day | 94.1% | 5 m/s | 8 hours |
Seven long-term comparison points for heat, precipitation, humidity, wind, and daylight
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.
Explore long-term monthly climate norms across varied protected landscapes and geographic settings.



Examine the distribution of these protected hillside sites and their place within the broader geography of northern France. This MoriAtlas resource provides a structured view of the reserve, allowing users to map its scattered parcels and understand the vital calcareous ecosystems preserved along the historic Chemin des Dames ridge.