Climate almanac
De Witt
Iowa, United States · 41.82°, -90.54°
What is the weather like in De Witt in December?
In December, De Witt is typically 38°F (3°C) during the day and 24°F (-4°C) at night. The month brings about 2.1 in (53 mm) of precipitation in total. Snowfall averages about 4.0 in (102 mm) over the month.
- Average high38°F (3°C)
- Average low24°F (-4°C)
- Precipitation2.1 in (53 mm)
- Clear or mostly clear days7
- Snowfall4.0 in (102 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)