Willisau Weather in December

December in Willisau brings low temperatures, with daytime highs of 5°C (41°F) and nights around -1°C (30°F). Quite a bit of snow/rainfall is expected, around 115 mm (4.5 in), so pack an umbrella.

Rainfall in Willisau in December

Historically, approximately 14 days this month are expected to have snow/rain, averaging 115 mm (4.5 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Willisau in December

In December, expect low temperatures in Willisau, with highs of 5°C (41°F) and lows of -1°C (30°F) at night. December is part of the winter season. Staying warm is the main priority this month, especially during mornings and evenings. At -1°C (30°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. It's a frigid month, so wearing warm clothing is crucial. Don't underestimate the cold; prepare accordingly.

Sunshine in Willisau in December

The city usually sees around 54 hours of sunlight, indicating fewer sunny days.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Willisau. Our weather planner can help you explore destinations with more pleasant weather conditions.