December weather in Avon, CO
The average temperature in Avon in December is °F (°F–°F). Average precipitation: 2.19 inches.
December is a winter month in Avon, and is cooler than the annual average of 0°F. Expect about 13 days with precipitation. Daylight averages about 9h 12m.
Avg High
°F
Avg Low
°F
Precipitation
2.19 in
Daylight
9h 12m
December records in Avon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 44.8°F (2012) | -6.9°F (2004) | 0.70 in (2007) |
| December 2 | 46.2°F (2017) | -9.4°F (2004) | 0.70 in (2005) |
| December 3 | 50.2°F (2017) | -13.0°F (2006) | 0.40 in (2023) |
| December 4 | 42.3°F (2015) | -7.1°F (2009) | 0.50 in (2013) |
| December 5 | 47.7°F (2007) | -13.4°F (2005) | 0.20 in (2007) |
| December 6 | 44.4°F (2003) | -6.2°F (2011) | 0.40 in (2025) |
| December 7 | 41.4°F (2014) | -16.6°F (2005) | 0.50 in (2007) |
| December 8 | 42.4°F (2015) | -19.3°F (2005) | 0.60 in (2024) |
| December 9 | 46.6°F (2006) | -6.0°F (2005) | 0.30 in (2016) |
| December 10 | 47.1°F (2015) | -4.7°F (2013) | 0.60 in (2021) |
| December 11 | 46.2°F (2006) | -0.4°F (2021) | 0.30 in (2006) |
| December 12 | 46.8°F (2006) | 0.9°F (2003) | 0.40 in (2019) |
| December 13 | 50.7°F (2006) | 0.3°F (2020) | 0.70 in (2008) |
| December 14 | 65.7°F (2006) | -7.1°F (2005) | 0.40 in (2016) |
| December 15 | 53.4°F (2006) | -9.4°F (2005) | 0.40 in (2003) |
| December 16 | 42.4°F (2006) | -8.3°F (2003) | 1.10 in (2016) |
| December 17 | 44.6°F (2025) | -4.5°F (2019) | 0.30 in (2006) |
| December 18 | 36.5°F (2025) | -2.6°F (2016) | 0.30 in (2008) |
| December 19 | 48.7°F (2025) | -5.1°F (2012) | 0.40 in (2005) |
| December 20 | 43.3°F (2025) | -8.3°F (2012) | 0.40 in (2010) |
| December 21 | 47.1°F (2025) | 0.7°F (2006) | 0.70 in (2014) |
| December 22 | 51.8°F (2025) | -6.2°F (2004) | 0.60 in (2008) |
| December 23 | 45.9°F (2025) | -15.5°F (2004) | 0.40 in (2008) |
| December 24 | 46.4°F (2025) | -11.2°F (2004) | 0.50 in (2021) |
| December 25 | 46.9°F (2025) | 0.0°F (2004) | 0.50 in (2014) |
| December 26 | 44.8°F (2025) | -3.5°F (2015) | 0.30 in (2008) |
| December 27 | 58.5°F (2006) | -6.7°F (2008) | 0.30 in (2022) |
| December 28 | 38.3°F (2004) | -6.7°F (2007) | 0.40 in (2020) |
| December 29 | 59.7°F (2006) | -6.3°F (2003) | 0.50 in (2004) |
| December 30 | 47.1°F (2017) | -4.7°F (2019) | 0.40 in (2003) |
| December 31 | 55.2°F (2006) | -9.4°F (2010) | 0.30 in (2022) |