
Naturschutzgebiet Schwarzes Haupt
- Annual mean
- 8.6 °C
- Warmest month
- July
- Wettest month
- July
Reviewing long-term temperature, humidity, and precipitation patterns across twelve months
Access a detailed climatological profile for Hollenloch, Germany, based on standardized NASA POWER measurements from 1991 to 2020. This data provides a representative point view of average monthly temperatures, daily precipitation rates, wind speeds, relative humidity, and daylight duration. These records offer a consistent annual baseline for analyzing environmental conditions at the reserve, separate from individual weather events or daily forecasts.

Long-term thermal averages and daily precipitation rates across all twelve months
Trace long-term monthly temperature bounds, daily precipitation rates, and daylight hours across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | -0.2 °C-10.5° to 8.4° | 2.4 mm/day | 94.1% | 5.8 m/s | 8.2 hours |
| February | 0.5 °C-9.2° to 10.1° | 2 mm/day | 91.9% | 5.5 m/s | 9.7 hours |
| March | 3.7 °C-5.5° to 15.2° | 2 mm/day | 87.5% | 5.1 m/s | 11.6 hours |
| April | 7.9 °C-2.9° to 20.4° | 1.7 mm/day | 81.6% | 4.2 m/s | 13.6 hours |
| May | 12.1 °C1° to 24.1° | 2.2 mm/day | 79.6% | 4 m/s | 15.4 hours |
| June | 15.4 °C5.1° to 27.7° | 2.3 mm/day | 77.4% | 3.9 m/s | 16.3 hours |
| July | 18 °C8.1° to 30.3° | 2.6 mm/day | 72.4% | 4 m/s | 15.9 hours |
| August | 17.9 °C7.8° to 31.2° | 2.3 mm/day | 70.7% | 3.9 m/s | 14.3 hours |
| September | 13.8 °C4.5° to 26° | 2.1 mm/day | 76.5% | 4.2 m/s | 12.3 hours |
| October | 8.8 °C-1° to 20.4° | 2.1 mm/day | 85.8% | 4.8 m/s | 10.3 hours |
| November | 4.1 °C-4° to 13.5° | 2.3 mm/day | 92.9% | 5 m/s | 8.6 hours |
| December | 0.8 °C-8.2° to 9.3° | 2.5 mm/day | 94.4% | 5.5 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.
Comparing long-term monthly averages for temperature, humidity, wind, and daylight duration
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Explore monthly temperature and precipitation rhythms across varied global park settings.







Deepen your understanding of Hollenloch through our structured geographic atlas. Trace the subterranean cave passages and surface limestone habitats that define this protected Sauerland landmark, providing insight into the unique geological and ecological character of North Rhine-Westphalia.