Climate almanac
Onalaska
Wisconsin, United States · 43.88°, -91.24°
What is the weather like in Onalaska in December?
In December, Onalaska is typically 32°F (0°C) during the day and 19°F (-7°C) at night. The month brings about 1.9 in (48 mm) of precipitation in total. Snowfall averages about 7.8 in (199 mm) over the month.
- Average high32°F (0°C)
- Average low19°F (-7°C)
- Precipitation1.9 in (48 mm)
- Clear or mostly clear days4
- Snowfall7.8 in (199 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)