Average percent of sunshine in Willisau
The mean percent of sunhours during the day in Willisau (Canton of Lucerne), Switzerland.
- The sun shines on average 56.0% in July making it the most sunny month.
- On average, December has the lowest percentage of sunshine with 23.0%.
Weather Forecasts for Willisau
overcast and slight rain
broken clouds and no rain
broken clouds and thunder