Average monthly snow and rainfall in Sion (Canton of Valais) in millimeter
This is the mean monthly precipitation over the year, including rain, snow, hail etc.
Show average precipitation in Sion in Inches »
- On average, August is the wettest month with 63.0 mm (2.48 inch) of precipitation.
- On average, April is the driest month with 36.0 mm (1.42 inch) of precipitation.
- The average amount of annual precipitation is: 575.0 mm (22.64 inch)
Weather Forecasts for Sion (Canton of Valais)