December weather in La Junta, CO
The average temperature in La Junta in December is 31.5°F (17.1°F–46.0°F). Average precipitation: 0.52 inches. Average snowfall is 6.5 inches.
December is a winter month in La Junta, and is cooler than the annual average of 53.7°F. Daily temperatures swing about 28.9°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 9h 23m. For travel, December is cool.
Avg High
46.0°F
Avg Low
17.1°F
Precipitation
0.52 in
Snow
6.5 in
December records in La Junta
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 78.1°F (1995) | 3.0°F (2022) | 0.09 in (1996) |
| December 2 | 75.9°F (1995) | 8.1°F (2006) | 0.03 in (2011) |
| December 3 | 78.1°F (1995) | 10.9°F (2023) | 0.25 in (1997) |
| December 4 | 73.0°F (2001) | 3.0°F (2011) | 0.41 in (2002) |
| December 5 | 75.9°F (1998) | 3.9°F (2013) | 0.05 in (2005) |
| December 6 | 73.9°F (2012) | -13.0°F (2011) | 0.04 in (2000) |
| December 7 | 71.1°F (2023) | -13.0°F (2011) | 0.17 in (1998) |
| December 8 | 73.9°F (2023) | -11.0°F (2005) | 0.03 in (2005) |
| December 9 | 70.0°F (1996) | -14.1°F (2009) | 0.36 in (2008) |
| December 10 | 73.9°F (1996) | -13.0°F (2009) | 0.42 in (1997) |
| December 11 | 69.1°F (1995) | -9.0°F (2009) | 0.13 in (2007) |
| December 12 | 78.1°F (2004) | 1.9°F (1997) | 0.09 in (2007) |
| December 13 | 68.0°F (1996) | 0.0°F (2001) | 0.51 in (2022) |
| December 14 | 71.1°F (2010) | -0.9°F (2001) | 0.15 in (2023) |
| December 15 | 69.1°F (2003) | 0.0°F (2022) | 0.50 in (2014) |
| December 16 | 69.1°F (2006) | 1.0°F (2020) | 0.10 in (2019) |
| December 17 | 71.1°F (2025) | -4.0°F (2022) | 0.28 in (2016) |
| December 18 | 71.1°F (1998) | -11.9°F (2016) | 0.12 in (2016) |
| December 19 | 69.1°F (2013) | -11.9°F (1996) | 0.02 in (1998) |
| December 20 | 73.9°F (2025) | -8.0°F (1996) | 0.68 in (2011) |
| December 21 | 73.0°F (2003) | 1.0°F (1998) | 0.63 in (2006) |
| December 22 | 68.0°F (2021) | -11.0°F (1998) | 0.15 in (2011) |
| December 23 | 82.9°F (2025) | -13.0°F (1998) | 0.29 in (2003) |
| December 24 | 72.0°F (2025) | -11.0°F (2004) | 0.34 in (1997) |
| December 25 | 82.0°F (2025) | -9.9°F (1998) | 0.24 in (1997) |
| December 26 | 79.0°F (2025) | -0.9°F (2012) | 0.08 in (2007) |
| December 27 | 71.1°F (2005) | 1.9°F (2011) | 0.02 in (2017) |
| December 28 | 72.0°F (2025) | 1.0°F (2007) | 0.20 in (2019) |
| December 29 | 70.0°F (1999) | 0.0°F (2007) | 0.74 in (2006) |
| December 30 | 69.1°F (1996) | 1.0°F (2007) | 1.72 in (2006) |
| December 31 | 69.1°F (1996) | -9.0°F (2014) | 1.55 in (2006) |