Average humidity in Aachen
The mean monthly relative humidity over the year in Aachen (North Rhine-Westphalia), Germany.
- On average, December is the most humid month, at 88.0%.
- On average, April is the least humid month, at 71.0%.
- The average annual percentage of humidity is 79%.
Forecast for Aachen
overcast and heavy rain
partly cloudy and chance of slight rain
overcast and rain