Climate in Willisau (Canton of Lucerne), Switzerland
Monthly hours of sunshine
The average monthly total hours of sunshine over the year
The average monthly total hours of sunshine over the year
overcast and sleet
broken clouds and rain
broken clouds and slight rain
During the months of June, July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.
Other facts from our historical weather data: