
Naturpark Rheinland
- Annual mean
- 9.9 °C
- Warmest month
- July
- Wettest month
- December
Detailed atmospheric records including monthly temperature, precipitation, and wind averages.
The climate profile for Heider Bergsee provides a twelve-month analysis of atmospheric trends based on NASA POWER records at a representative coordinate. Each month includes data for average minimum, mean, and maximum temperatures, as well as daily precipitation rates, relative humidity, wind speeds, and calculated daylight hours. These figures represent long-term averages from 1991 to 2020 rather than current weather patterns or real-time forecasts for the region in Nordrhein-Westfalen.

Long-term monthly averages tracking thermal ranges and precipitation rates across the year
Analyze long-term temperature bounds, precipitation rates, and daylight hours across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 1.3 °C-8.3° to 10.5° | 2.3 mm/day | 92.1% | 5.5 m/s | 8.3 hours |
| February | 2.1 °C-7.3° to 12.1° | 2.1 mm/day | 89.5% | 5.2 m/s | 9.7 hours |
| March | 5.3 °C-4.1° to 17.1° | 1.9 mm/day | 84.3% | 4.9 m/s | 11.6 hours |
| April | 9.2 °C-1.9° to 21.9° | 1.6 mm/day | 78.8% | 4.1 m/s | 13.6 hours |
| May | 13.4 °C1.9° to 25.6° | 2 mm/day | 76.8% | 4 m/s | 15.3 hours |
| June | 16.7 °C6.1° to 29.5° | 2.3 mm/day | 74.1% | 3.8 m/s | 16.2 hours |
| July | 19.2 °C9° to 32.1° | 2.4 mm/day | 69.9% | 3.8 m/s | 15.8 hours |
| August | 18.9 °C8.4° to 32.2° | 2.4 mm/day | 69.3% | 3.7 m/s | 14.3 hours |
| September | 14.9 °C5.4° to 27.1° | 2.1 mm/day | 74.8% | 4 m/s | 12.3 hours |
| October | 10.1 °C0.1° to 21.8° | 2.1 mm/day | 83.6% | 4.6 m/s | 10.4 hours |
| November | 5.4 °C-3.1° to 15.4° | 2.3 mm/day | 91.1% | 4.8 m/s | 8.7 hours |
| December | 2.1 °C-6.9° to 11.1° | 2.6 mm/day | 93.1% | 5.2 m/s | 7.8 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.
Comparative monthly averages for temperature, precipitation, wind, humidity, and daylight duration
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Analyze monthly temperature, precipitation, and daylight rhythms across diverse protected areas.








Deepen your understanding of Heider Bergsee by examining its post-mining geography and current status as a protected nature reserve. MoriAtlas provides the structured data needed to trace the lake's unique shorelines, mixed forest boundaries, and role within the larger North Rhine-Westphalia terrain.