Réserve naturelle régionale des collines sèches du Bischenberg, de l'Immerschenberg et du Holiesel
- Annual mean
- 10.1 °C
- Warmest month
- July
- Wettest month
- May
Twelve-month atmospheric data profile from 1991 to 2020 at a representative point in Bas-Rhin.
Explore long-term monthly averages for Réserve naturelle nationale de la forêt d'Erstein. This dataset provides temperature ranges, precipitation rates, relative humidity, wind speeds, and daylight hours derived from NASA POWER measurements. These climate normals offer a standard reference for atmospheric conditions across the calendar year, providing a consistent baseline for understanding the environmental rhythm of this protected area.

Long-term monthly temperature averages and daily precipitation rates across twelve months
Twelve-month comparison of temperature bounds, precipitation rates, humidity, wind, and daylight
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 0.6 °C-9.3° to 11° | 1.7 mm/day | 91.1% | 3.8 m/s | 8.6 hours |
| February | 1.6 °C-8.1° to 13.4° | 1.6 mm/day | 86.6% | 3.8 m/s | 9.9 hours |
| March | 5.5 °C-4.9° to 18.5° | 1.6 mm/day | 80.6% | 3.8 m/s | 11.6 hours |
| April | 9.7 °C-2.5° to 23.1° | 1.6 mm/day | 75% | 3.3 m/s | 13.5 hours |
| May | 14.2 °C2.7° to 27° | 2.6 mm/day | 73.9% | 3.1 m/s | 15 hours |
| June | 17.9 °C6.8° to 30.6° | 2.4 mm/day | 71% | 2.9 m/s | 15.8 hours |
| July | 20 °C9.3° to 32.8° | 2.4 mm/day | 68% | 2.9 m/s | 15.4 hours |
| August | 19.7 °C8.7° to 32.6° | 2.2 mm/day | 68.2% | 2.7 m/s | 14.1 hours |
| September | 15.2 °C4.5° to 27.8° | 2 mm/day | 73.7% | 2.9 m/s | 12.3 hours |
| October | 10.3 °C-0.5° to 23.1° | 2.1 mm/day | 82.9% | 3.1 m/s | 10.5 hours |
| November | 4.8 °C-4° to 16.8° | 2 mm/day | 89.7% | 3.2 m/s | 8.9 hours |
| December | 1.3 °C-7.9° to 11.1° | 2.1 mm/day | 91.9% | 3.7 m/s | 8.2 hours |
See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.
Comparing monthly averages for temperature, precipitation, humidity, wind, and daylight duration
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Month-by-month atmospheric patterns across different protected landscapes and geographic settings




Examine the mapped boundaries and natural terrain of the Réserve naturelle nationale de la forêt d'Erstein. MoriAtlas provides a clear view into the floodplain structure, woodland composition, and the historic Rhine channels that define this protected area in the Bas-Rhin region of eastern France.