Climate almanac
Willisau
Lucerne, Switzerland · 47.12°, 7.99°
What is the weather like in Willisau in January?
In January, Willisau is typically 38°F (3°C) during the day and 28°F (-2°C) at night. The month brings about 5.2 in (131 mm) of precipitation in total. Snowfall averages about 18 in (460 mm) over the month.
- Average high38°F (3°C)
- Average low28°F (-2°C)
- Precipitation5.2 in (131 mm)
- Clear or mostly clear days3
- Snowfall18 in (460 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)