December weather in Cheyenne, WY
The average temperature in Cheyenne in December is 28.7°F (17.8°F–39.5°F). Average precipitation: 0.49 inches. Average snowfall is 10.9 inches.
December is a winter month in Cheyenne, and is cooler than the annual average of 46.6°F. Daily temperatures swing about 21.7°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 3m. For travel, December is cold.
Avg High
39.5°F
Avg Low
17.8°F
Precipitation
0.49 in
Snow
10.9 in
December records in Cheyenne
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 66.0°F (2021) | 10.0°F (2004) | 0.08 in (2009) |
| December 2 | 71.1°F (2021) | 0.0°F (2009) | 0.13 in (2011) |
| December 3 | 59.0°F (2017) | -4.0°F (2009) | 0.22 in (2013) |
| December 4 | 64.9°F (2021) | -13.0°F (2013) | 0.15 in (2008) |
| December 5 | 61.0°F (2012) | -17.0°F (2013) | 0.06 in (2018) |
| December 6 | 64.9°F (2023) | -14.1°F (2013) | 0.15 in (2009) |
| December 7 | 63.0°F (2020) | -15.0°F (2016) | 0.48 in (2007) |
| December 8 | 64.9°F (2020) | -20.9°F (2005) | 0.43 in (2003) |
| December 9 | 63.0°F (2020) | -18.9°F (2009) | 0.02 in (2019) |
| December 10 | 57.9°F (2017) | 6.1°F (2009) | 0.09 in (2021) |
| December 11 | 61.0°F (2004) | 5.0°F (2007) | 0.28 in (2007) |
| December 12 | 64.0°F (2014) | 1.0°F (2007) | 0.19 in (2020) |
| December 13 | 59.0°F (2010) | 0.0°F (2008) | 0.08 in (2022) |
| December 14 | 55.0°F (2021) | -14.1°F (2008) | 0.20 in (2016) |
| December 15 | 60.1°F (2006) | -14.1°F (2008) | 0.42 in (2015) |
| December 16 | 57.9°F (2023) | -7.1°F (2016) | 0.05 in (2016) |
| December 17 | 59.0°F (2018) | -11.0°F (2016) | 0.20 in (2006) |
| December 18 | 59.0°F (2013) | -0.9°F (2005) | 0.21 in (2012) |
| December 19 | 59.0°F (2003) | 0.0°F (2005) | 0.12 in (2012) |
| December 20 | 57.0°F (2017) | 1.9°F (2008) | 0.84 in (2006) |
| December 21 | 55.9°F (2023) | -20.0°F (2022) | 0.21 in (2003) |
| December 22 | 57.0°F (2020) | -25.1°F (2022) | 0.12 in (2018) |
| December 23 | 55.0°F (2021) | -11.0°F (2022) | 0.19 in (2009) |
| December 24 | 54.0°F (2003) | 1.0°F (2017) | 0.14 in (2012) |
| December 25 | 55.9°F (2020) | -2.9°F (2012) | 0.35 in (2014) |
| December 26 | 60.1°F (2005) | -2.0°F (2012) | 0.15 in (2023) |
| December 27 | 57.9°F (2005) | -5.1°F (2015) | 0.17 in (2007) |
| December 28 | 52.0°F (2004) | -2.0°F (2015) | 0.36 in (2019) |
| December 29 | 55.0°F (2005) | -4.0°F (2014) | 0.10 in (2014) |
| December 30 | 55.9°F (2017) | -20.0°F (2014) | 0.15 in (2010) |
| December 31 | 50.0°F (2008) | -18.0°F (2014) | 0.08 in (2021) |