Climate almanac
Sioux Falls
South Dakota, United States · 43.54°, -96.73°
What is the weather like in Sioux Falls in December?
In December, Sioux Falls is typically 34°F (1°C) during the day and 18°F (-8°C) at night. The month brings about 1.5 in (38 mm) of precipitation in total. Snowfall averages about 6.2 in (158 mm) over the month.
- Average high34°F (1°C)
- Average low18°F (-8°C)
- Precipitation1.5 in (38 mm)
- Clear or mostly clear days8
- Snowfall6.2 in (158 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)