Average monthly rainy days in Ollon
The number of days each month with rain, snow and hail in Ollon (Vaud), Switzerland.
- Most rainy days are in March, April, May, June and August.
- On average, May is the most rainy with 18 days of rain/snow.
- On average, October is the driest month with 12 rainy days.
- The average annual number of rainy days is 181.
Weather Forecasts for Ollon
broken clouds and small chance of slight rain
broken clouds and no rain
broken clouds and chance of slight rain