December weather in Fleming, CO
The average temperature in Fleming in December is 29.8°F (17.4°F–42.2°F). Average precipitation: 0.40 inches. Average snowfall is 6.9 inches.
December is a winter month in Fleming, and is cooler than the annual average of 50.8°F. Daily temperatures swing about 24.8°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 9h 6m. For travel, December is cold.
Avg High
42.2°F
Avg Low
17.4°F
Precipitation
0.40 in
Snow
6.9 in
December records in Fleming
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.9°F (1998) | -6.0°F (2006) | 0.03 in (2018) |
| December 2 | 77.0°F (2021) | 3.0°F (2011) | 0.02 in (2009) |
| December 3 | 73.9°F (2021) | 1.9°F (2006) | 0.05 in (2005) |
| December 4 | 64.0°F (1998) | 1.0°F (2009) | 0.14 in (1999) |
| December 5 | 66.0°F (1998) | -13.0°F (2013) | 0.03 in (2008) |
| December 6 | 69.1°F (2012) | -8.0°F (2013) | 0.14 in (2009) |
| December 7 | 66.0°F (2023) | -13.0°F (2005) | 0.08 in (2010) |
| December 8 | 66.0°F (2023) | -18.9°F (2005) | 0.10 in (2007) |
| December 9 | 64.0°F (2020) | -16.1°F (2009) | 0.46 in (2003) |
| December 10 | 66.0°F (2015) | -13.0°F (2009) | 0.05 in (1998) |
| December 11 | 61.0°F (2014) | -5.1°F (2009) | 0.07 in (2007) |
| December 12 | 72.0°F (2025) | -0.9°F (2007) | 0.01 in (2023) |
| December 13 | 66.9°F (2014) | 3.9°F (2016) | 0.43 in (2022) |
| December 14 | 63.0°F (2008) | -6.0°F (2008) | 0.28 in (2023) |
| December 15 | 63.0°F (2006) | -16.1°F (2008) | 0.62 in (2014) |
| December 16 | 68.0°F (2002) | -16.1°F (2008) | 0.18 in (2012) |
| December 17 | 68.0°F (2025) | -6.0°F (2016) | 0.09 in (2016) |
| December 18 | 69.1°F (2013) | -22.0°F (2016) | 0.50 in (1999) |
| December 19 | 66.9°F (2013) | -6.0°F (2016) | 0.19 in (1998) |
| December 20 | 66.9°F (2025) | -2.9°F (2008) | 0.26 in (2006) |
| December 21 | 66.0°F (2017) | -9.0°F (2008) | 1.92 in (2006) |
| December 22 | 68.0°F (2021) | -20.0°F (1998) | 0.05 in (2017) |
| December 23 | 75.0°F (2025) | -14.1°F (1998) | 0.25 in (2004) |
| December 24 | 64.0°F (2021) | -16.1°F (1998) | 0.19 in (2023) |
| December 25 | 73.9°F (2025) | -5.1°F (1998) | 0.18 in (2012) |
| December 26 | 73.9°F (2025) | -0.9°F (2017) | 0.07 in (2015) |
| December 27 | 63.0°F (2005) | -7.1°F (2017) | 0.15 in (2014) |
| December 28 | 69.1°F (2013) | -2.0°F (2007) | 0.39 in (2022) |
| December 29 | 63.0°F (1999) | -8.0°F (2015) | 0.30 in (2024) |
| December 30 | 64.0°F (2011) | -5.1°F (2014) | 0.12 in (2014) |
| December 31 | 55.9°F (2018) | -23.1°F (2014) | 0.31 in (2010) |