December weather in Hillrose, CO
The average temperature in Hillrose in December is 25.5°F (9.4°F–41.7°F). Average precipitation: 0.37 inches. Average snowfall is 5.8 inches.
December is a winter month in Hillrose, and is cooler than the annual average of 48.3°F. Daily temperatures swing about 32.3°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 9h 8m. For travel, December is cold.
Avg High
41.7°F
Avg Low
9.4°F
Precipitation
0.37 in
Snow
5.8 in
December records in Hillrose
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.0°F (2012) | -0.9°F (2022) | 0.01 in (2014) |
| December 2 | 70.0°F (2021) | 3.9°F (2019) | 0.05 in (2011) |
| December 3 | 75.9°F (2021) | 3.9°F (2019) | 0.11 in (2005) |
| December 4 | 62.1°F (2024) | -2.9°F (2011) | 0.16 in (1999) |
| December 5 | 64.9°F (2021) | -16.1°F (2013) | 0.13 in (2008) |
| December 6 | 61.0°F (2023) | -16.1°F (2011) | 0.14 in (2000) |
| December 7 | 66.0°F (2023) | -15.0°F (2011) | 0.15 in (1994) |
| December 8 | 64.9°F (2023) | -17.0°F (2016) | 0.11 in (2007) |
| December 9 | 59.0°F (2015) | -17.0°F (2016) | 0.29 in (2003) |
| December 10 | 70.0°F (2015) | -9.9°F (2013) | 0.19 in (1997) |
| December 11 | 62.1°F (2017) | 1.0°F (2013) | 0.11 in (2007) |
| December 12 | 70.0°F (2025) | 1.9°F (2020) | 0.10 in (2020) |
| December 13 | 64.9°F (2014) | 3.0°F (2013) | 0.14 in (2015) |
| December 14 | 62.1°F (2021) | -4.0°F (2020) | 0.53 in (2022) |
| December 15 | 59.0°F (2025) | 5.0°F (2017) | 0.65 in (2014) |
| December 16 | 63.0°F (2017) | -2.0°F (2020) | 0.28 in (2015) |
| December 17 | 66.0°F (2025) | -2.9°F (2022) | 0.22 in (2016) |
| December 18 | 66.9°F (2025) | -23.1°F (2016) | 0.06 in (2002) |
| December 19 | 61.0°F (2013) | -13.0°F (2016) | 0.17 in (2008) |
| December 20 | 64.9°F (2025) | -13.0°F (2016) | 0.27 in (2012) |
| December 21 | 66.9°F (2017) | -7.1°F (2012) | 0.86 in (2006) |
| December 22 | 64.9°F (2024) | -15.0°F (2022) | 0.07 in (2011) |
| December 23 | 73.9°F (2025) | -27.0°F (2022) | 0.19 in (2009) |
| December 24 | 66.0°F (2025) | -18.9°F (2022) | 0.30 in (2009) |
| December 25 | 73.9°F (2025) | -11.9°F (2017) | 0.16 in (2016) |
| December 26 | 66.9°F (2025) | -11.9°F (2012) | 0.21 in (2016) |
| December 27 | 66.9°F (2025) | -7.1°F (2014) | 0.13 in (2014) |
| December 28 | 63.0°F (2025) | -9.0°F (2012) | 0.23 in (2007) |
| December 29 | 55.9°F (2013) | -5.1°F (2012) | 0.41 in (2022) |
| December 30 | 60.1°F (2011) | -6.0°F (2012) | 0.20 in (2014) |
| December 31 | 57.0°F (2011) | -27.0°F (2014) | 0.36 in (2010) |