Climate almanac
Grand Junction
Colorado, United States · 39.06°, -108.55°
What is the weather like in Grand Junction in December?
In December, Grand Junction is typically 39°F (4°C) during the day and 18°F (-8°C) at night. The month brings about 1.5 in (39 mm) of precipitation in total. Snowfall averages about 8.0 in (202 mm) over the month.
- Average high39°F (4°C)
- Average low18°F (-8°C)
- Precipitation1.5 in (39 mm)
- Clear or mostly clear days13
- Snowfall8.0 in (202 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)