December weather in Bear River, WY
The average temperature in Bear River in December is 21.8°F (13.8°F–29.7°F). Average precipitation: 0.38 inches.
December is a winter month in Bear River, and is cooler than the annual average of 42.4°F. Daily temperatures swing about 15.9°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 1m. For travel, December is cold.
Avg High
29.7°F
Avg Low
13.8°F
Precipitation
0.38 in
Daylight
9h 1m
December records in Bear River
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 54.0°F (2021) | 4.1°F (2015) | 0.26 in (2007) |
| December 2 | 59.0°F (2021) | 1.9°F (2004) | 0.38 in (2010) |
| December 3 | 55.9°F (2021) | 1.2°F (2006) | 0.05 in (2001) |
| December 4 | 53.1°F (2021) | -6.9°F (2013) | 0.34 in (2004) |
| December 5 | 46.9°F (2014) | -9.8°F (2013) | 0.27 in (2019) |
| December 6 | 51.1°F (2023) | -7.8°F (2013) | 0.11 in (2007) |
| December 7 | 48.0°F (2008) | -14.1°F (2005) | 0.26 in (2007) |
| December 8 | 50.0°F (2020) | -11.9°F (2005) | 0.05 in (2003) |
| December 9 | 52.0°F (2020) | -8.9°F (2009) | 0.27 in (2021) |
| December 10 | 52.0°F (2014) | -2.7°F (2009) | 0.14 in (2016) |
| December 11 | 51.1°F (2014) | 3.9°F (1999) | 0.06 in (2006) |
| December 12 | 53.1°F (2017) | -0.8°F (2007) | 0.09 in (2019) |
| December 13 | 51.1°F (2025) | 1.2°F (2020) | 0.28 in (2009) |
| December 14 | 55.9°F (2025) | 1.9°F (1999) | 0.07 in (2019) |
| December 15 | 52.0°F (2025) | -0.8°F (2007) | 0.06 in (2021) |
| December 16 | 50.0°F (2025) | -2.0°F (2001) | 0.05 in (2006) |
| December 17 | 46.0°F (2023) | -3.8°F (2010) | 0.13 in (2025) |
| December 18 | 48.0°F (2023) | -5.8°F (2016) | 0.06 in (2008) |
| December 19 | 50.0°F (2025) | -3.8°F (2006) | 0.12 in (2025) |
| December 20 | 52.0°F (2024) | -0.8°F (2012) | 0.02 in (2010) |
| December 21 | 50.0°F (2025) | 1.2°F (2007) | 0.11 in (2018) |
| December 22 | 51.1°F (2025) | -0.8°F (2007) | 0.32 in (2015) |
| December 23 | 48.9°F (2025) | -0.9°F (2004) | 0.07 in (2005) |
| December 24 | 54.0°F (2025) | -2.0°F (2001) | 0.08 in (2000) |
| December 25 | 48.0°F (2025) | 1.2°F (2010) | 0.16 in (2024) |
| December 26 | 42.1°F (2006) | -2.7°F (2008) | 0.12 in (2003) |
| December 27 | 43.0°F (2022) | -6.9°F (2015) | 0.09 in (2025) |
| December 28 | 45.0°F (2023) | -4.9°F (2015) | 0.13 in (2024) |
| December 29 | 48.0°F (2017) | -2.7°F (2018) | 0.09 in (2004) |
| December 30 | 48.0°F (2011) | -7.8°F (2014) | 0.02 in (2007) |
| December 31 | 46.0°F (2023) | -12.8°F (2014) | 0.12 in (2005) |