Ketelmeer & Vossemeer
- Annual mean
- 9.9 °C
- Warmest month
- July
- Wettest month
- December
Long term temperature, precipitation, and wind averages from a representative coordinate.
The climate profile for Zwarte Meer provides twelve months of atmospheric data based on representative measurements from 1991 to 2020. This data characterizes seasonal trends in average daily temperature, humidity, and precipitation rates. These figures offer an objective look at local climate conditions across the calendar year, focusing on consistent patterns of daylight, wind speed, and moisture levels within this Overijssel nature reserve.

Long term thermal range and monthly precipitation movement across twelve representative coordinate records
Track average temperatures, daily precipitation rates, humidity, wind speed, and daylight hours across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 2.5 °C-6.7° to 10.1° | 2.3 mm/day | 92.5% | 6.1 m/s | 8 hours |
| February | 2.8 °C-5.4° to 10.7° | 2.1 mm/day | 90.2% | 5.8 m/s | 9.6 hours |
| March | 5.5 °C-2.8° to 15.4° | 1.8 mm/day | 85.7% | 5.5 m/s | 11.6 hours |
| April | 9 °C-0.3° to 20.5° | 1.4 mm/day | 80.5% | 4.8 m/s | 13.7 hours |
| May | 12.8 °C3.4° to 23.9° | 1.9 mm/day | 78.4% | 4.7 m/s | 15.5 hours |
| June | 15.7 °C7.5° to 27° | 2.2 mm/day | 78.1% | 4.5 m/s | 16.5 hours |
| July | 17.9 °C10.2° to 28.1° | 2.4 mm/day | 78.7% | 4.3 m/s | 16.1 hours |
| August | 17.7 °C10° to 27.7° | 2.5 mm/day | 79.6% | 4.3 m/s | 14.4 hours |
| September | 14.8 °C7.2° to 23.7° | 2.4 mm/day | 82.6% | 4.6 m/s | 12.4 hours |
| October | 10.6 °C1.7° to 19.4° | 2.4 mm/day | 86.6% | 5.2 m/s | 10.2 hours |
| November | 6.4 °C-1.3° to 14.5° | 2.5 mm/day | 91.7% | 5.3 m/s | 8.4 hours |
| December | 3.3 °C-5° to 10.9° | 2.6 mm/day | 93.2% | 5.7 m/s | 7.5 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 mapping temperature, humidity, and daylight duration across the annual cycle.
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Explore monthly temperature, precipitation, and wind patterns across diverse regional landscapes.






Explore the structured boundaries and ecological profile of Zwarte Meer within the MoriAtlas database. This deep dive into the nature reserve reveals the intersection of water management, protected habitat, and migratory corridors that define this essential Overijssel wetland landscape.