Climate almanac
Grantsville
Utah, United States · 40.60°, -112.46°
What is the weather like in Grantsville in December?
In December, Grantsville is typically 40°F (5°C) during the day and 26°F (-3°C) at night. The month brings about 1.5 in (39 mm) of precipitation in total. Snowfall averages about 6.4 in (163 mm) over the month.
- Average high40°F (5°C)
- Average low26°F (-3°C)
- Precipitation1.5 in (39 mm)
- Clear or mostly clear days8
- Snowfall6.4 in (163 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)