December weather in Eureka, UT
The average temperature in Eureka in December is °F (°F–°F). Average precipitation: 3.14 inches.
December is a winter month in Eureka, and is cooler than the annual average of 0°F. Expect about 10 days with precipitation. Daylight averages about 9h 10m.
Avg High
°F
Avg Low
°F
Precipitation
3.14 in
Daylight
9h 10m
December records in Eureka
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 51.3°F (2008) | 4.6°F (2004) | 0.50 in (1983) |
| December 2 | 53.8°F (2021) | 1.9°F (2006) | 0.60 in (1985) |
| December 3 | 49.3°F (2021) | -0.2°F (2009) | 1.00 in (1983) |
| December 4 | 55.2°F (2007) | -8.5°F (2013) | 0.70 in (1983) |
| December 5 | 51.8°F (2023) | -10.1°F (2013) | 0.60 in (1996) |
| December 6 | 48.0°F (2023) | -7.2°F (2013) | 0.60 in (2007) |
| December 7 | 47.8°F (2014) | -2.6°F (2005) | 1.80 in (2007) |
| December 8 | 50.7°F (2014) | -6.7°F (2009) | 0.70 in (2004) |
| December 9 | 51.1°F (2015) | -8.7°F (2013) | 1.30 in (2021) |
| December 10 | 51.6°F (2014) | 0.3°F (2009) | 1.30 in (1996) |
| December 11 | 51.8°F (2025) | 3.4°F (2007) | 0.70 in (1992) |
| December 12 | 52.7°F (2004) | 1.8°F (2007) | 1.10 in (2009) |
| December 13 | 50.4°F (2010) | 2.1°F (2020) | 1.10 in (2009) |
| December 14 | 51.3°F (2025) | 1.4°F (2007) | 1.20 in (2021) |
| December 15 | 50.0°F (2025) | 2.1°F (2007) | 0.50 in (2016) |
| December 16 | 51.1°F (2025) | 2.3°F (2019) | 2.90 in (2016) |
| December 17 | 51.6°F (2025) | -2.6°F (2016) | 0.80 in (2020) |
| December 18 | 48.2°F (2023) | -4.4°F (2016) | 0.70 in (1978) |
| December 19 | 50.2°F (2024) | -0.2°F (2012) | 1.90 in (2010) |
| December 20 | 51.4°F (2024) | 3.9°F (2008) | 1.10 in (2010) |
| December 21 | 48.6°F (2005) | 5.2°F (2008) | 0.80 in (2010) |
| December 22 | 51.3°F (2025) | 1.2°F (2007) | 1.30 in (2010) |
| December 23 | 51.4°F (2025) | 3.6°F (2008) | 0.50 in (1988) |
| December 24 | 46.4°F (2025) | 1.2°F (2009) | 1.30 in (2016) |
| December 25 | 46.6°F (2005) | 3.7°F (2007) | 2.70 in (2003) |
| December 26 | 44.4°F (2022) | 1.2°F (2016) | 1.10 in (2012) |
| December 27 | 47.8°F (2017) | -2.2°F (2007) | 1.00 in (2022) |
| December 28 | 45.7°F (2011) | 3.6°F (2012) | 1.00 in (1992) |
| December 29 | 52.7°F (2017) | -0.4°F (2018) | 4.40 in (2010) |
| December 30 | 50.2°F (2017) | -3.5°F (2014) | 1.50 in (2021) |
| December 31 | 50.4°F (2025) | -8.7°F (2010) | 1.80 in (2022) |