December weather in Salt Lake City, UT
The average temperature in Salt Lake City in December is 32.2°F (25.3°F–39.0°F). Average precipitation: 1.40 inches. Average snowfall is 12.1 inches.
December is a winter month in Salt Lake City, and is cooler than the annual average of 54.7°F. Daily temperatures swing about 13.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 5m. For travel, December is cold.
Avg High
39.0°F
Avg Low
25.3°F
Precipitation
1.40 in
Snow
12.1 in
December records in Salt Lake City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 69.1°F (1995) | 6.1°F (1991) | 0.74 in (1982) |
| December 2 | 60.1°F (2013) | 10.9°F (1968) | 0.38 in (2018) |
| December 3 | 64.9°F (2017) | 12.0°F (1968) | 0.56 in (2023) |
| December 4 | 59.0°F (2014) | 3.0°F (1992) | 0.70 in (1998) |
| December 5 | 59.0°F (1949) | -2.9°F (1972) | 0.72 in (1956) |
| December 6 | 57.9°F (1987) | 9.0°F (1992) | 0.40 in (1951) |
| December 7 | 57.9°F (1981) | 1.0°F (1951) | 1.10 in (2007) |
| December 8 | 57.0°F (1975) | -2.9°F (1951) | 0.91 in (1985) |
| December 9 | 61.0°F (2015) | -11.0°F (1972) | 0.98 in (1970) |
| December 10 | 64.9°F (1981) | -13.0°F (1972) | 0.65 in (2016) |
| December 11 | 62.1°F (1993) | -11.0°F (1972) | 0.79 in (1968) |
| December 12 | 63.0°F (2014) | -5.1°F (1972) | 0.61 in (1993) |
| December 13 | 55.9°F (1996) | -4.0°F (1972) | 0.73 in (1994) |
| December 14 | 60.1°F (1977) | -13.0°F (1972) | 0.77 in (2015) |
| December 15 | 59.0°F (1977) | -15.0°F (1972) | 0.29 in (1977) |
| December 16 | 55.9°F (1957) | -2.0°F (1972) | 0.51 in (1967) |
| December 17 | 66.9°F (2025) | 3.0°F (1972) | 0.77 in (1970) |
| December 18 | 54.0°F (2024) | 7.0°F (1964) | 0.52 in (1977) |
| December 19 | 60.1°F (2025) | 3.0°F (1970) | 0.90 in (2013) |
| December 20 | 61.0°F (1981) | -7.1°F (1990) | 0.45 in (1967) |
| December 21 | 66.9°F (1969) | -9.0°F (1990) | 0.74 in (2003) |
| December 22 | 66.9°F (2025) | -9.9°F (1990) | 0.63 in (2010) |
| December 23 | 63.0°F (2025) | -11.0°F (1990) | 1.10 in (1964) |
| December 24 | 63.0°F (2025) | -7.1°F (1990) | 0.53 in (1964) |
| December 25 | 60.1°F (2025) | -4.0°F (1948) | 1.14 in (2003) |
| December 26 | 57.9°F (1980) | -2.0°F (1948) | 0.95 in (2003) |
| December 27 | 55.0°F (2022) | 0.0°F (1988) | 0.58 in (1948) |
| December 28 | 57.9°F (2005) | 0.0°F (1990) | 1.21 in (1972) |
| December 29 | 55.9°F (2011) | -7.1°F (1990) | 0.61 in (1972) |
| December 30 | 61.0°F (2011) | -9.0°F (1990) | 0.59 in (1995) |
| December 31 | 62.1°F (1996) | -7.1°F (1990) | 0.34 in (1965) |