Climate almanac
Geneva
Illinois, United States · 41.89°, -88.31°
What is the weather like in Geneva in December?
In December, Geneva is typically 38°F (3°C) during the day and 25°F (-4°C) at night. The month brings about 2.2 in (56 mm) of precipitation in total. Snowfall averages about 4.0 in (103 mm) over the month.
- Average high38°F (3°C)
- Average low25°F (-4°C)
- Precipitation2.2 in (56 mm)
- Clear or mostly clear days6
- Snowfall4.0 in (103 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)