Climate almanac
Spearfish
South Dakota, United States · 44.49°, -103.86°
What is the weather like in Spearfish in December?
In December, Spearfish is typically 38°F (3°C) during the day and 21°F (-6°C) at night. The month brings about 1.3 in (33 mm) of precipitation in total. Snowfall averages about 8.4 in (213 mm) over the month.
- Average high38°F (3°C)
- Average low21°F (-6°C)
- Precipitation1.3 in (33 mm)
- Clear or mostly clear days10
- Snowfall8.4 in (213 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)