Average monthly snow and rainfall in Herisau
The mean monthly precipitation over the year in Herisau (St.Gallen Canton), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: January, February, March, April, May, June, July, August, September, October, November and December.
- On average, June is the wettest month with 218 mm of precipitation.
- On average, January is the driest month with 106 mm of precipitation.
- The average amount of annual precipitation is 1806 mm.
Weather Forecasts for Herisau
overcast and chance of slight rain
almost clear and no rain
partly cloudy and no rain