Average monthly hours of sunshine in Willisau
The monthly total of sunhours over the year in Willisau (Canton of Lucerne), Switzerland.
- On average, July is the sunniest month with 244 hours of sunshine.
- December has on average the lowest amount of sunshine with 54 hours.
- On average, the total annual amount of sun is 1777 hours.
Weather Forecasts for Willisau
overcast and no rain
broken clouds and no rain
broken clouds and thunder