December weather in Monroe, UT
The average temperature in Monroe in December is °F (°F–°F). Average precipitation: 2.21 inches.
December is a winter month in Monroe, and is cooler than the annual average of 0°F. Expect about 9 days with precipitation. Daylight averages about 9h 19m.
Avg High
°F
Avg Low
°F
Precipitation
2.21 in
Daylight
9h 19m
December records in Monroe
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 53.2°F (2021) | 9.5°F (2006) | 0.60 in (1982) |
| December 2 | 52.7°F (2021) | 5.4°F (2007) | 0.40 in (1985) |
| December 3 | 49.3°F (2007) | 3.4°F (2009) | 0.40 in (1983) |
| December 4 | 51.8°F (2007) | -5.8°F (2013) | 0.50 in (2019) |
| December 5 | 48.7°F (2024) | -5.4°F (2013) | 0.20 in (1980) |
| December 6 | 49.3°F (2008) | -5.1°F (2013) | 0.30 in (1986) |
| December 7 | 50.0°F (2024) | 4.1°F (2013) | 0.70 in (2007) |
| December 8 | 47.5°F (2020) | -3.8°F (2013) | 0.60 in (1985) |
| December 9 | 46.8°F (2014) | -7.8°F (2013) | 0.50 in (2021) |
| December 10 | 50.4°F (2025) | 1.2°F (2021) | 0.50 in (2006) |
| December 11 | 50.2°F (2017) | 6.4°F (2007) | 0.30 in (2015) |
| December 12 | 56.1°F (2025) | 6.1°F (2020) | 1.00 in (1993) |
| December 13 | 55.4°F (2025) | 2.3°F (2020) | 1.20 in (2009) |
| December 14 | 51.1°F (2025) | 0.3°F (2008) | 1.60 in (1983) |
| December 15 | 52.7°F (2025) | 0.7°F (2008) | 0.50 in (2008) |
| December 16 | 50.2°F (2023) | 4.1°F (2008) | 1.00 in (2016) |
| December 17 | 52.2°F (2023) | -0.2°F (2016) | 0.30 in (2006) |
| December 18 | 50.7°F (2024) | 1.2°F (2016) | 0.60 in (2012) |
| December 19 | 53.2°F (2024) | 1.2°F (2012) | 0.90 in (1990) |
| December 20 | 51.3°F (2024) | 8.4°F (2017) | 1.60 in (2010) |
| December 21 | 48.2°F (2024) | 1.6°F (2007) | 1.00 in (2010) |
| December 22 | 47.8°F (2024) | 1.2°F (2007) | 1.10 in (2015) |
| December 23 | 45.9°F (2025) | 1.2°F (2008) | 0.70 in (1982) |
| December 24 | 44.8°F (2024) | 1.0°F (2008) | 1.50 in (2012) |
| December 25 | 43.3°F (2006) | 0.9°F (2007) | 0.80 in (2008) |
| December 26 | 51.4°F (2022) | -0.9°F (2008) | 0.80 in (2003) |
| December 27 | 54.1°F (2013) | -3.8°F (2007) | 0.60 in (1983) |
| December 28 | 44.8°F (2017) | -2.2°F (2007) | 0.70 in (1992) |
| December 29 | 48.2°F (2017) | 2.3°F (2018) | 1.00 in (2004) |
| December 30 | 48.6°F (2025) | -3.3°F (2010) | 0.70 in (2009) |
| December 31 | 50.0°F (2025) | -9.6°F (2010) | 0.80 in (2021) |