Average humidity in Ollon
The mean monthly relative humidity over the year in Ollon (Vaud), Switzerland.
- On average, December is the most humid month, at 83.0%.
- On average, April is the least humid month, at 59.0%.
- The average annual percentage of humidity is 70%.
Forecast for Ollon
broken clouds and sleet
overcast and slight snow
broken clouds and no rain