December weather in Smithfield, UT
The average temperature in Smithfield in December is 25.1°F (16.9°F–33.2°F). Average precipitation: 1.11 inches.
December is a winter month in Smithfield, and is cooler than the annual average of 47.6°F. Daily temperatures swing about 16.3°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 8h 58m. For travel, December is cold.
Avg High
33.2°F
Avg Low
16.9°F
Precipitation
1.11 in
Daylight
8h 58m
December records in Smithfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 55.9°F (1998) | -0.8°F (2019) | 0.29 in (2005) |
| December 2 | 55.0°F (2012) | -3.8°F (2022) | 0.37 in (2012) |
| December 3 | 61.0°F (1998) | -4.9°F (2022) | 0.66 in (2001) |
| December 4 | 52.0°F (2007) | -0.8°F (2018) | 0.16 in (2022) |
| December 5 | 53.1°F (2014) | -0.8°F (2009) | 0.36 in (2012) |
| December 6 | 55.0°F (2014) | 0.0°F (2005) | 0.29 in (2001) |
| December 7 | 55.9°F (2014) | -9.0°F (2005) | 0.25 in (2003) |
| December 8 | 51.1°F (2015) | -8.0°F (2005) | 0.37 in (2004) |
| December 9 | 54.0°F (2025) | -15.9°F (2013) | 0.16 in (2000) |
| December 10 | 57.9°F (2025) | -13.9°F (2009) | 0.50 in (2000) |
| December 11 | 57.9°F (2025) | -13.9°F (2009) | 0.23 in (2022) |
| December 12 | 60.1°F (2014) | -3.8°F (2013) | 0.29 in (2019) |
| December 13 | 53.1°F (2004) | 0.1°F (2013) | 0.30 in (2008) |
| December 14 | 53.1°F (2021) | 1.2°F (2018) | 0.40 in (2009) |
| December 15 | 53.1°F (2006) | -4.0°F (2001) | 0.29 in (2016) |
| December 16 | 51.1°F (2025) | -2.9°F (2001) | 0.93 in (2016) |
| December 17 | 57.9°F (2025) | -3.8°F (2019) | 0.20 in (2001) |
| December 18 | 46.0°F (2018) | -4.9°F (2008) | 0.20 in (2010) |
| December 19 | 52.0°F (2025) | -10.8°F (2022) | 0.49 in (2010) |
| December 20 | 52.0°F (2017) | -14.1°F (1998) | 0.30 in (2007) |
| December 21 | 61.0°F (2025) | -13.0°F (1998) | 0.54 in (2003) |
| December 22 | 60.1°F (2025) | -11.9°F (1998) | 0.31 in (2005) |
| December 23 | 57.9°F (2025) | -15.0°F (1998) | 0.18 in (2024) |
| December 24 | 60.1°F (2025) | -14.1°F (2001) | 0.31 in (2025) |
| December 25 | 55.9°F (2025) | -14.1°F (2001) | 0.48 in (2003) |
| December 26 | 51.1°F (2025) | -18.9°F (2001) | 0.29 in (2003) |
| December 27 | 46.9°F (2022) | -8.9°F (2016) | 0.47 in (2022) |
| December 28 | 46.9°F (2004) | -4.9°F (2009) | 0.20 in (2005) |
| December 29 | 50.0°F (2011) | -6.9°F (2020) | 0.41 in (2010) |
| December 30 | 57.0°F (2011) | -6.9°F (2020) | 0.21 in (2005) |
| December 31 | 46.0°F (2005) | -8.9°F (2015) | 0.58 in (2005) |