Climate almanac
Willisau
Lucerne, Switzerland · 47.12°, 7.99°
What is the weather like in Willisau in December?
In December, Willisau is typically 39°F (4°C) during the day and 31°F (-1°C) at night. The month brings about 4.9 in (125 mm) of precipitation in total. Snowfall averages about 13 in (340 mm) over the month.
- Average high39°F (4°C)
- Average low31°F (-1°C)
- Precipitation4.9 in (125 mm)
- Clear or mostly clear days4
- Snowfall13 in (340 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)