December weather in Wellington, CO
The average temperature in Wellington in December is 28.8°F (15.5°F–42.1°F). Average precipitation: 0.43 inches. Average snowfall is 6.9 inches.
December is a winter month in Wellington, and is cooler than the annual average of 49.3°F. Daily temperatures swing about 26.6°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 9h 6m. For travel, December is cold.
Avg High
42.1°F
Avg Low
15.5°F
Precipitation
0.43 in
Snow
6.9 in
December records in Wellington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 66.0°F (1994) | 5.0°F (2004) | 0.21 in (2011) |
| December 2 | 66.9°F (1998) | 3.0°F (2004) | 0.17 in (1997) |
| December 3 | 64.9°F (2001) | -4.0°F (2006) | 0.16 in (2011) |
| December 4 | 70.0°F (2007) | -5.1°F (1992) | 0.22 in (2008) |
| December 5 | 63.0°F (2012) | -13.0°F (2013) | 0.24 in (2019) |
| December 6 | 64.9°F (1991) | -8.0°F (2011) | 0.24 in (2009) |
| December 7 | 64.9°F (1991) | -11.9°F (2005) | 0.41 in (2007) |
| December 8 | 62.1°F (2015) | -13.0°F (2005) | 0.23 in (2003) |
| December 9 | 62.1°F (1990) | -20.0°F (2009) | 0.14 in (1998) |
| December 10 | 64.0°F (1990) | -6.0°F (2009) | 0.08 in (2000) |
| December 11 | 69.1°F (2004) | -5.1°F (2000) | 0.13 in (2007) |
| December 12 | 64.9°F (2017) | 1.9°F (2000) | 0.44 in (2015) |
| December 13 | 66.0°F (2010) | 3.0°F (2000) | 0.08 in (2019) |
| December 14 | 61.0°F (2006) | -11.0°F (2008) | 0.12 in (2008) |
| December 15 | 63.0°F (2006) | -14.1°F (2008) | 0.26 in (2015) |
| December 16 | 64.0°F (2013) | -2.9°F (2008) | 0.23 in (2016) |
| December 17 | 57.9°F (1998) | -13.0°F (2016) | 0.07 in (2006) |
| December 18 | 57.9°F (1994) | -11.9°F (2016) | 0.12 in (1998) |
| December 19 | 55.9°F (2004) | -9.0°F (1990) | 0.07 in (1990) |
| December 20 | 57.9°F (2017) | -15.0°F (1990) | 1.69 in (2006) |
| December 21 | 62.1°F (1994) | -27.9°F (1990) | 0.08 in (2011) |
| December 22 | 62.1°F (2005) | -27.9°F (1990) | 0.17 in (2009) |
| December 23 | 57.9°F (2005) | -20.9°F (1990) | 0.38 in (2009) |
| December 24 | 61.0°F (1999) | -14.1°F (1998) | 0.06 in (1997) |
| December 25 | 62.1°F (2005) | -4.0°F (2009) | 0.37 in (2014) |
| December 26 | 57.9°F (2005) | -2.0°F (2012) | 0.02 in (2014) |
| December 27 | 60.1°F (1996) | -2.9°F (2015) | 0.26 in (2007) |
| December 28 | 64.0°F (1999) | -9.0°F (2007) | 0.41 in (2006) |
| December 29 | 69.1°F (2017) | -11.0°F (1990) | 0.06 in (2014) |
| December 30 | 57.9°F (1997) | -18.0°F (2014) | 0.17 in (1994) |
| December 31 | 62.1°F (2005) | -20.0°F (2014) | 0.09 in (1994) |