December weather in Fort Laramie, WY
The average temperature in Fort Laramie in December is 29.0°F (15.4°F–42.6°F). Average precipitation: 0.42 inches. Average snowfall is 6.2 inches.
December is a winter month in Fort Laramie, and is cooler than the annual average of 49.1°F. Daily temperatures swing about 27.2°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 8h 56m. For travel, December is cold.
Avg High
42.6°F
Avg Low
15.4°F
Precipitation
0.42 in
Snow
6.2 in
December records in Fort Laramie
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 70.0°F (2021) | -9.9°F (2006) | 0.20 in (2007) |
| December 2 | 73.0°F (2021) | -2.9°F (2004) | 0.02 in (2009) |
| December 3 | 66.0°F (1998) | -6.0°F (2006) | 0.06 in (1997) |
| December 4 | 64.9°F (1998) | -9.9°F (2006) | 0.20 in (2002) |
| December 5 | 62.1°F (1998) | -24.0°F (1992) | 0.15 in (2002) |
| December 6 | 66.9°F (2023) | -22.0°F (1992) | 0.34 in (1995) |
| December 7 | 63.0°F (2024) | -17.0°F (2013) | 0.25 in (2009) |
| December 8 | 64.0°F (1991) | -26.0°F (2005) | 0.52 in (2007) |
| December 9 | 66.9°F (2020) | -25.1°F (2005) | 0.32 in (2003) |
| December 10 | 66.9°F (1996) | -26.0°F (2009) | 0.39 in (2021) |
| December 11 | 64.0°F (2025) | -6.0°F (2000) | 0.23 in (2007) |
| December 12 | 70.0°F (1990) | -14.1°F (2000) | 0.09 in (2023) |
| December 13 | 61.0°F (2014) | -17.0°F (2007) | 0.31 in (1992) |
| December 14 | 66.0°F (2025) | -11.9°F (1992) | 0.48 in (1994) |
| December 15 | 66.0°F (2025) | -9.0°F (2009) | 0.28 in (2022) |
| December 16 | 66.0°F (2006) | -9.9°F (2009) | 0.35 in (2016) |
| December 17 | 64.9°F (2025) | -18.0°F (2016) | 0.05 in (1993) |
| December 18 | 64.9°F (2025) | -29.9°F (2016) | 0.24 in (2006) |
| December 19 | 64.0°F (2023) | -22.0°F (1989) | 0.04 in (1990) |
| December 20 | 64.9°F (2017) | -20.0°F (1990) | 0.17 in (1998) |
| December 21 | 64.9°F (2024) | -22.0°F (1990) | 0.24 in (2022) |
| December 22 | 73.0°F (2025) | -40.0°F (1989) | 0.25 in (2011) |
| December 23 | 64.0°F (2025) | -38.0°F (1989) | 0.13 in (2017) |
| December 24 | 60.1°F (2025) | -25.1°F (1998) | 0.05 in (2009) |
| December 25 | 69.1°F (2025) | -5.1°F (1996) | 0.21 in (2016) |
| December 26 | 64.9°F (2025) | -15.0°F (2017) | 0.35 in (2014) |
| December 27 | 61.0°F (2022) | -20.0°F (2017) | 0.05 in (2020) |
| December 28 | 59.0°F (1996) | -9.9°F (2015) | 0.54 in (2019) |
| December 29 | 63.0°F (1999) | -18.0°F (1990) | 0.26 in (2006) |
| December 30 | 61.0°F (1996) | -25.1°F (1990) | 0.19 in (2014) |
| December 31 | 62.1°F (1996) | -27.9°F (2014) | 0.20 in (2010) |