Average humidity in Arolla
The mean monthly relative humidity over the year in Arolla (Canton of Valais), Switzerland.
- On average, September is the most humid month, at 70.0%.
- On average, March is the least humid month, at 65.0%.
- The average annual percentage of humidity is 67%.
Forecast for Arolla
clear and no rain
clear and no rain
partly cloudy and small chance of slight rain