December weather in Idaho Springs, CO
The average temperature in Idaho Springs in December is °F (°F–°F). Average precipitation: 1.35 inches.
December is a winter month in Idaho Springs, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 9h 12m.
Avg High
°F
Avg Low
°F
Precipitation
1.35 in
Daylight
9h 12m
December records in Idaho Springs
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 49.3°F (1998) | -5.1°F (2006) | 0.40 in (2005) |
| December 2 | 53.2°F (2021) | -14.8°F (2009) | 0.10 in (2004) |
| December 3 | 45.5°F (2021) | -18.2°F (2009) | 0.80 in (1999) |
| December 4 | 45.3°F (2021) | -10.8°F (2011) | 0.40 in (2013) |
| December 5 | 45.3°F (2012) | -15.0°F (2013) | 0.40 in (2007) |
| December 6 | 48.2°F (2023) | -15.3°F (2005) | 0.30 in (2025) |
| December 7 | 43.0°F (2008) | -21.3°F (2005) | 0.30 in (2007) |
| December 8 | 48.2°F (2020) | -13.7°F (2016) | 0.40 in (2003) |
| December 9 | 45.7°F (2015) | -8.9°F (1998) | 0.20 in (1999) |
| December 10 | 41.9°F (2014) | -8.9°F (1998) | 0.20 in (1998) |
| December 11 | 45.3°F (2004) | -5.6°F (2000) | 0.30 in (2013) |
| December 12 | 45.9°F (2014) | -2.2°F (2020) | 0.20 in (2003) |
| December 13 | 43.2°F (2021) | -1.8°F (2020) | 0.20 in (2001) |
| December 14 | 47.7°F (2025) | -10.3°F (2008) | 0.90 in (2014) |
| December 15 | 48.6°F (2025) | -9.4°F (2008) | 0.60 in (2015) |
| December 16 | 40.5°F (2018) | -6.7°F (2015) | 0.60 in (2016) |
| December 17 | 43.7°F (2025) | -6.7°F (2010) | 0.20 in (2020) |
| December 18 | 42.4°F (2013) | -7.2°F (1998) | 0.20 in (2000) |
| December 19 | 43.5°F (2025) | -5.1°F (1998) | 0.20 in (2005) |
| December 20 | 43.2°F (2024) | -6.0°F (1998) | 1.70 in (2006) |
| December 21 | 45.5°F (2025) | -9.0°F (1998) | 0.40 in (2011) |
| December 22 | 48.6°F (2019) | -9.2°F (2022) | 0.40 in (2011) |
| December 23 | 48.2°F (2025) | -14.6°F (2004) | 0.30 in (2017) |
| December 24 | 45.9°F (2025) | -5.1°F (2015) | 0.30 in (2021) |
| December 25 | 46.9°F (2025) | -7.8°F (2007) | 0.30 in (2014) |
| December 26 | 41.7°F (2025) | -9.4°F (2014) | 0.20 in (2023) |
| December 27 | 42.3°F (2022) | -11.0°F (2007) | 0.20 in (2008) |
| December 28 | 42.3°F (1999) | -9.2°F (2018) | 1.10 in (2006) |
| December 29 | 41.0°F (2008) | -13.7°F (2014) | 0.20 in (2018) |
| December 30 | 41.7°F (2017) | -16.1°F (2014) | 0.20 in (2021) |
| December 31 | 42.3°F (2025) | -15.9°F (2018) | 0.40 in (2021) |