Climate almanac
Fort Collins
Colorado, United States · 40.59°, -105.08°
What is the weather like in Fort Collins in December?
In December, Fort Collins is typically 47°F (8°C) during the day and 24°F (-4°C) at night. The month brings about 0.7 in (18 mm) of precipitation in total. Snowfall averages about 3.6 in (91 mm) over the month.
- Average high47°F (8°C)
- Average low24°F (-4°C)
- Precipitation0.7 in (18 mm)
- Clear or mostly clear days15
- Snowfall3.6 in (91 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)