Climate almanac
Rantoul
Illinois, United States · 40.31°, -88.16°
What is the weather like in Rantoul in December?
In December, Rantoul is typically 42°F (6°C) during the day and 28°F (-2°C) at night. The month brings about 2.5 in (63 mm) of precipitation in total. Snowfall averages about 2.3 in (59 mm) over the month.
- Average high42°F (6°C)
- Average low28°F (-2°C)
- Precipitation2.5 in (63 mm)
- Clear or mostly clear days7
- Snowfall2.3 in (59 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)