Climate almanac
Walheim - Hahn
North Rhine-Westphalia, Germany · 50.71°, 6.18°
What is the climate like in Walheim - Hahn?
The best time to visit Walheim - Hahn is typically July – August, with trip comfort peaking in August (6.8/10). Walheim - Hahn is warmest in August, when daily highs average 73°F (23°C), and coolest in January, when lows fall to about 33°F (1°C). The wettest month is typically June and the driest is April; the year sees roughly 39 in (999 mm) of precipitation.
- Best time to visitJuly – August — comfort peaks in August (6.8/10)
- Warmest monthAugust — average high 73°F (23°C)
- Coolest monthJanuary — average low 33°F (1°C)
- Wettest monthJune (3.9 in (100 mm))
- Driest monthApril (2.5 in (63 mm))
- Annual precipitation39 in (999 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromAachen-orsbach, 15 km away (2011-2026)