Weather on December 18
Salt Lake City, UT
55 Years of Data
Avg High
37°F
Avg Low
24°F
Warmest
1999
44°F avg
Coldest
1971
19°F avg
About This Date
December 18th in Salt Lake City, UT typically brings cold winter weather, with average highs around 37°F and lows near 24°F. Over 55 years of records, the warmest December 18th was in 1999 (44°F average), while the coldest was 1971 (19°F) — a 25°F range across recorded history. Precipitation has occurred on 20% of recorded December 18th dates, with snow falling 11% of the time (heaviest snowfall: 3"). The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for December 18th in Salt Lake City, UT? Bundle up with warm layers and protect extremities from the cold.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 47° | 28° | 37° | — | — |
| 2024 | 54° | 33° | 43° | — | — |
| 2023 | 32° | 27° | 30° | — | — |
| 2022 | 29° | 12° | 21° | — | — |
| 2021 | 36° | 20° | 28° | — | — |
| 2020 | 35° | 30° | 33° | — | — |
| 2019 | 37° | 21° | 29° | — | — |
| 2018 | 48° | 32° | 40° | — | — |
| 2017 | 45° | 27° | 36° | — | — |
| 2016 | 27° | 15° | 21° | — | — |
| 2015 | 42° | 27° | 35° | — | — |
| 2014 | 46° | 29° | 38° | — | — |
| 2013 | 29° | 15° | 22° | 0.03" | — |
| 2012 | 38° | 30° | 34° | 0.1" | — |
| 2011 | 31° | 25° | 28° | — | — |
| 2010 | 35° | 27° | 31° | 0.1" | 0.8" |
| 2009 | 37° | 23° | 30° | — | — |
| 2008 | 33° | 21° | 27° | — | — |
| 2007 | 40° | 23° | 31° | — | — |
| 2006 | 29° | 14° | 21° | — | — |
| 2005 | 32° | 23° | 28° | 0.43" | 3" |
| 2004 | 31° | 22° | 26° | — | 0.1" |
| 2003 | 38° | 22° | 30° | — | — |
| 2002 | 36° | 27° | 31° | 0.08" | 0.6" |
| 2001 | 29° | 11° | 20° | — | — |
| 2000 | 35° | 22° | 28° | — | — |
| 1999warmest | 48° | 39° | 44° | — | — |
| 1998 | 39° | 29° | 34° | — | — |
| 1997 | 38° | 29° | 33° | — | — |
| 1996 | 29° | 14° | 21° | — | — |
| 1995 | 40° | 26° | 33° | — | — |
| 1994 | 48° | 30° | 39° | — | — |
| 1993 | 33° | 20° | 26° | — | — |
| 1992 | 35° | 22° | 28° | 0.36" | 2" |
| 1991 | 48° | 27° | 37° | — | — |
| 1990 | 42° | 28° | 35° | — | — |
| 1989 | 40° | 26° | 33° | — | — |
| 1988 | 36° | 25° | 30° | — | — |
| 1987 | 38° | 27° | 32° | 0.05" | — |
| 1986 | 30° | 18° | 24° | — | — |
| 1985 | 26° | 19° | 23° | — | — |
| 1984 | 24° | 18° | 21° | — | — |
| 1983 | 34° | 23° | 28° | — | — |
| 1982 | 43° | 31° | 37° | — | — |
| 1981 | 41° | 27° | 34° | — | — |
| 1980 | 33° | 23° | 28° | — | — |
| 1979 | 51° | 29° | 40° | — | — |
| 1978 | 50° | 36° | 43° | 0.2" | — |
| 1977 | 42° | 22° | 32° | 0.71" | — |
| 1976 | 41° | 10° | 26° | — | — |
| 1975 | 35° | 15° | 25° | — | — |
| 1974 | 37° | 22° | 29° | — | — |
| 1973 | 42° | 32° | 37° | 1.12" | 1.1" |
| 1972 | 36° | 21° | 28° | 0.69" | — |
| 1971coldest | 29° | 9° | 19° | — | — |
55 years of data from SALT LAKE TRIAD CTR