Average monthly hours of sunshine in Janesville (WI)
The monthly total of sunhours over the year in Janesville (Wisconsin), the United States of America.
- On average, July is the sunniest month with 308 hours of sunshine.
- December has on average the lowest amount of sunshine with 107 hours.
- On average, the total annual amount of sun is 2439 hours.
Forecast for Janesville (WI)
partly cloudy and thunder
partly cloudy and no rain
broken clouds and slight rain