December weather in Powell, WY
The average temperature in Powell in December is 20.4°F (8.2°F–32.6°F). Average precipitation: 0.10 inches. Average snowfall is 1.5 inches.
December is a winter month in Powell, and is cooler than the annual average of 43.2°F. Daily temperatures swing about 24.4°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 8h 37m. For travel, December is cold.
Avg High
32.6°F
Avg Low
8.2°F
Precipitation
0.10 in
Snow
1.5 in
December records in Powell
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 66.0°F (1999) | -18.0°F (1985) | 0.06 in (2005) |
| December 2 | 64.0°F (1995) | -22.0°F (1985) | 0.03 in (1991) |
| December 3 | 69.1°F (2021) | -9.0°F (1985) | 0.11 in (1991) |
| December 4 | 59.0°F (2012) | -9.0°F (1984) | 0.46 in (1985) |
| December 5 | 57.0°F (2021) | -15.0°F (2013) | 0.09 in (1998) |
| December 6 | 57.9°F (1981) | -15.0°F (2013) | 0.02 in (2007) |
| December 7 | 63.0°F (1981) | -18.9°F (2013) | 0.30 in (1988) |
| December 8 | 59.0°F (2008) | -20.0°F (2013) | 0.03 in (2009) |
| December 9 | 62.1°F (2025) | -18.9°F (2009) | 0.02 in (2013) |
| December 10 | 66.0°F (2025) | -16.1°F (2009) | 0.08 in (2000) |
| December 11 | 66.9°F (2025) | -16.1°F (1985) | 0.10 in (2012) |
| December 12 | 66.9°F (2025) | -15.0°F (2000) | 0.80 in (1985) |
| December 13 | 52.0°F (2006) | -13.0°F (2016) | 0.08 in (1987) |
| December 14 | 55.9°F (1988) | -15.0°F (2008) | 0.12 in (1989) |
| December 15 | 66.9°F (2025) | -18.0°F (2008) | 0.15 in (1989) |
| December 16 | 62.1°F (2025) | -17.0°F (2008) | 0.08 in (1996) |
| December 17 | 66.0°F (2025) | -22.0°F (2016) | 0.04 in (1999) |
| December 18 | 63.0°F (2025) | -20.0°F (2016) | 0.19 in (2017) |
| December 19 | 63.0°F (2025) | -17.0°F (1990) | 0.07 in (1996) |
| December 20 | 52.0°F (2004) | -23.1°F (1990) | 0.06 in (1999) |
| December 21 | 51.1°F (1981) | -33.0°F (1990) | 0.16 in (1999) |
| December 22 | 57.9°F (2025) | -34.1°F (1990) | 0.07 in (2006) |
| December 23 | 57.0°F (2005) | -31.0°F (1990) | 0.02 in (1987) |
| December 24 | 55.0°F (2005) | -31.0°F (1983) | 0.02 in (1997) |
| December 25 | 57.0°F (2025) | -29.9°F (1983) | 0.08 in (2014) |
| December 26 | 62.1°F (2025) | -26.0°F (1996) | 0.16 in (1996) |
| December 27 | 66.0°F (2025) | -16.1°F (1988) | 0.07 in (1988) |
| December 28 | 48.9°F (2025) | -15.0°F (1983) | 0.05 in (1990) |
| December 29 | 53.1°F (1998) | -25.1°F (1990) | 0.04 in (1984) |
| December 30 | 51.1°F (1997) | -27.0°F (1990) | 0.02 in (2010) |
| December 31 | 48.9°F (2011) | -15.0°F (1990) | 0.06 in (2000) |