December weather in South Weber, UT
The average temperature in South Weber in December is 27.9°F (20.0°F–35.9°F). Average precipitation: 2.53 inches. Average snowfall is 11.3 inches.
December is a winter month in South Weber, and is cooler than the annual average of 50.7°F. Daily temperatures swing about 15.9°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 9h 3m. For travel, December is cold.
Avg High
35.9°F
Avg Low
20.0°F
Precipitation
2.53 in
Snow
11.3 in
December records in South Weber
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 51.1°F (2012) | 6.1°F (1979) | 1.12 in (1982) |
| December 2 | 57.0°F (2021) | 8.1°F (1979) | 1.03 in (1983) |
| December 3 | 57.9°F (2017) | 8.1°F (2013) | 2.00 in (1971) |
| December 4 | 55.0°F (2021) | 5.0°F (2013) | 0.93 in (1983) |
| December 5 | 55.0°F (2014) | 0.0°F (2013) | 0.97 in (2023) |
| December 6 | 66.0°F (2024) | 3.0°F (2022) | 0.60 in (1966) |
| December 7 | 57.0°F (2014) | 3.9°F (2013) | 1.45 in (2007) |
| December 8 | 55.0°F (2014) | 6.1°F (2013) | 1.45 in (1997) |
| December 9 | 57.0°F (2025) | 5.0°F (2013) | 0.72 in (1970) |
| December 10 | 61.0°F (2025) | -0.9°F (2013) | 1.50 in (2016) |
| December 11 | 53.1°F (2014) | 0.0°F (2013) | 0.50 in (1968) |
| December 12 | 57.0°F (2025) | 0.0°F (2013) | 0.95 in (1993) |
| December 13 | 55.0°F (2025) | 6.1°F (1979) | 1.25 in (1994) |
| December 14 | 52.0°F (2025) | 8.1°F (2013) | 2.00 in (2015) |
| December 15 | 50.0°F (2016) | 12.0°F (2011) | 0.82 in (1983) |
| December 16 | 51.1°F (2025) | 12.0°F (2013) | 1.37 in (2016) |
| December 17 | 55.0°F (2025) | 10.0°F (2016) | 0.66 in (1970) |
| December 18 | 52.0°F (1979) | 8.1°F (2015) | 0.41 in (1972) |
| December 19 | 50.0°F (1979) | 10.0°F (2016) | 1.40 in (2013) |
| December 20 | 61.0°F (2025) | 12.0°F (2013) | 0.64 in (2013) |
| December 21 | 64.0°F (2025) | 8.1°F (2012) | 0.82 in (2003) |
| December 22 | 68.0°F (2025) | 9.0°F (2017) | 0.76 in (1988) |
| December 23 | 55.0°F (2025) | 6.1°F (2011) | 1.32 in (1964) |
| December 24 | 52.0°F (2025) | 8.1°F (2011) | 0.65 in (1971) |
| December 25 | 50.0°F (2025) | 5.0°F (2015) | 0.90 in (2003) |
| December 26 | 61.0°F (2025) | 6.1°F (2015) | 1.44 in (1988) |
| December 27 | 51.1°F (2025) | 8.1°F (2015) | 0.77 in (1983) |
| December 28 | 51.1°F (2025) | 10.0°F (2015) | 0.50 in (2012) |
| December 29 | 46.0°F (2011) | 3.0°F (2015) | 1.31 in (1965) |
| December 30 | 54.0°F (2011) | 1.0°F (2014) | 1.09 in (1995) |
| December 31 | 42.1°F (2011) | -5.1°F (2014) | 0.75 in (2005) |