December weather in Vail, CO
The average temperature in Vail in December is 17.6°F (7.1°F–28.0°F). Average precipitation: 1.73 inches. Average snowfall is 28.0 inches.
December is a winter month in Vail, and is cooler than the annual average of 37.9°F. Daily temperatures swing about 20.9°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 12m. For travel, December is cold.
Avg High
28.0°F
Avg Low
7.1°F
Precipitation
1.73 in
Snow
28.0 in
December records in Vail
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 45.0°F (1999) | -16.1°F (2006) | 0.25 in (2007) |
| December 2 | 45.0°F (2025) | -8.0°F (2004) | 0.50 in (2001) |
| December 3 | 45.0°F (2025) | -11.9°F (2006) | 0.32 in (2008) |
| December 4 | 51.1°F (1987) | -11.9°F (2009) | 0.46 in (2013) |
| December 5 | 45.0°F (1998) | -16.1°F (2013) | 0.59 in (1995) |
| December 6 | 46.9°F (2012) | -14.1°F (2013) | 0.50 in (2025) |
| December 7 | 46.0°F (2003) | -6.0°F (2013) | 1.20 in (2001) |
| December 8 | 46.0°F (1987) | -11.0°F (2016) | 0.45 in (2007) |
| December 9 | 42.1°F (1986) | -11.9°F (1994) | 0.50 in (2016) |
| December 10 | 43.0°F (2015) | -13.0°F (2013) | 0.48 in (2021) |
| December 11 | 42.1°F (2025) | -22.0°F (1986) | 0.65 in (2000) |
| December 12 | 42.1°F (2025) | -11.0°F (1997) | 0.19 in (2002) |
| December 13 | 44.1°F (2004) | -5.1°F (2001) | 0.53 in (1993) |
| December 14 | 41.0°F (1988) | -9.9°F (1985) | 0.75 in (2008) |
| December 15 | 41.0°F (2003) | -13.0°F (1987) | 0.43 in (2003) |
| December 16 | 37.9°F (1986) | -9.9°F (1987) | 0.29 in (1996) |
| December 17 | 42.1°F (2025) | -11.0°F (2019) | 0.50 in (2016) |
| December 18 | 39.9°F (2024) | -17.0°F (1996) | 0.48 in (1989) |
| December 19 | 39.0°F (1998) | -9.9°F (2016) | 0.36 in (1999) |
| December 20 | 48.9°F (2025) | -15.0°F (2012) | 0.36 in (1988) |
| December 21 | 48.9°F (2025) | -11.9°F (2012) | 0.46 in (1998) |
| December 22 | 48.9°F (2025) | -16.1°F (1998) | 0.91 in (2014) |
| December 23 | 48.9°F (2025) | -9.9°F (1998) | 0.70 in (1987) |
| December 24 | 48.9°F (2025) | -11.0°F (2004) | 0.33 in (2021) |
| December 25 | 48.9°F (2025) | -5.1°F (1993) | 0.55 in (2017) |
| December 26 | 46.9°F (2025) | -8.0°F (2008) | 0.39 in (2008) |
| December 27 | 44.1°F (2025) | -9.9°F (2015) | 0.19 in (2024) |
| December 28 | 42.1°F (2022) | -16.1°F (1988) | 0.40 in (2022) |
| December 29 | 43.0°F (1992) | -13.0°F (1988) | 0.32 in (2020) |
| December 30 | 43.0°F (2017) | -13.0°F (1988) | 0.44 in (2004) |
| December 31 | 44.1°F (2017) | -11.0°F (2014) | 0.55 in (1995) |