Naturschutzgebiet Oberes Ruhrtal
- Annual mean
- 8 °C
- Warmest month
- July
- Wettest month
- July
Annual cycles of temperature, precipitation, humidity, and daylight patterns
Explore the twelve-month climate profile for Naturschutzgebiet Schluchtwald Helle based on NASA POWER records from a representative 403-meter coordinate. This data presents long-term averages for mean temperature, precipitation rates, relative humidity, and daylight duration observed between 1991 and 2020. These metrics provide a clear view of annual atmospheric patterns without representing current weather conditions or local microclimatic variations across the nature reserve.

Long term monthly temperature ranges and average daily precipitation rates across the calendar year
Twelve-month comparison of average temperatures, daily precipitation rates, and calculated daylight hours
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | -1 °C-11.2° to 7.4° | 2.2 mm/day | 95% | 5.5 m/s | 8.2 hours |
| February | -0.3 °C-10° to 9.2° | 1.8 mm/day | 92.7% | 5.3 m/s | 9.7 hours |
| March | 3.2 °C-6° to 14.6° | 1.8 mm/day | 87.6% | 5 m/s | 11.6 hours |
| April | 7.4 °C-3.5° to 20° | 1.7 mm/day | 81.3% | 4.2 m/s | 13.6 hours |
| May | 11.7 °C0.7° to 23.6° | 2.3 mm/day | 79.4% | 4 m/s | 15.4 hours |
| June | 15.1 °C4.6° to 27° | 2.3 mm/day | 77.2% | 3.9 m/s | 16.3 hours |
| July | 17.6 °C7.7° to 29.8° | 2.6 mm/day | 72.2% | 3.9 m/s | 15.8 hours |
| August | 17.5 °C7.1° to 30.6° | 2.2 mm/day | 70.3% | 3.7 m/s | 14.3 hours |
| September | 13.2 °C3.4° to 25.3° | 2.1 mm/day | 76.8% | 4 m/s | 12.3 hours |
| October | 8.1 °C-1.5° to 19.5° | 2 mm/day | 87.1% | 4.5 m/s | 10.3 hours |
| November | 3.4 °C-4.6° to 12.8° | 2.2 mm/day | 93.9% | 4.7 m/s | 8.6 hours |
| December | 0 °C-9.1° to 8.4° | 2.4 mm/day | 95.4% | 5.2 m/s | 7.7 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.
Warmest, coolest, wettest, and windiest periods derived from long term monthly averages
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Analyze monthly temperature, precipitation, and daylight variations across regional protected areas

Continue your geographic discovery of the Sauerland highlands by examining the protected boundaries and natural terrain of Naturschutzgebiet Schluchtwald Helle. MoriAtlas provides a clear look at how this ravine forest maintains its critical ecological role within the broader landscape of North Rhine-Westphalia.