Average monthly snow and rainfall in Janesville (WI)
The mean monthly precipitation over the year in Janesville (Wisconsin), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: April, June and August.
- On average, June is the wettest month with 139 mm of precipitation.
- On average, January is the driest month with 36 mm of precipitation.
- The average amount of annual precipitation is 1013 mm.
Forecast for Janesville (WI)
partly cloudy and thunder
partly cloudy and no rain
broken clouds and slight rain