Weather on December 21
Moab, UT
55 Years of Data
Avg High
44°F
Avg Low
21°F
Warmest
2010
55°F avg
Coldest
2012
15°F avg
About This Date
December 21st in Moab, UT typically brings chilly winter weather, with average highs around 44°F and lows near 21°F. Over 55 years of records, the warmest December 21st was in 2010 (55°F average), while the coldest was 2012 (15°F) — a 40°F range across recorded history. Precipitation has occurred on 22% of recorded December 21st dates, with snow falling 5% of the time (heaviest snowfall: 9"). The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Moab, UT? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 59° | 34° | 46° | — | — |
| 2024 | 46° | 22° | 34° | — | — |
| 2023 | 51° | 36° | 43° | 0.2" | — |
| 2022 | 43° | 15° | 29° | — | — |
| 2021 | 42° | 21° | 32° | — | — |
| 2020 | 44° | 17° | 31° | — | — |
| 2019 | 40° | 18° | 29° | — | — |
| 2018 | 43° | 25° | 34° | — | — |
| 2017 | 54° | 31° | 42° | 2.41" | 9" |
| 2016 | 39° | 20° | 29° | — | — |
| 2015 | 47° | 32° | 39° | — | — |
| 2014 | 47° | 31° | 39° | — | — |
| 2013 | 41° | 17° | 29° | — | — |
| 2012coldest | 25° | 5° | 15° | — | — |
| 2011 | 46° | 20° | 33° | — | — |
| 2010warmest | 58° | 52° | 55° | 0.03" | — |
| 2009 | 34° | 15° | 24° | — | — |
| 2008 | 37° | 18° | 27° | — | — |
| 2007 | 48° | 22° | 35° | 0.08" | — |
| 2006 | 45° | 24° | 34° | — | — |
| 2005 | 51° | 23° | 37° | — | — |
| 2004 | 47° | 26° | 36° | — | — |
| 2003 | 49° | 22° | 35° | — | — |
| 2002 | 41° | 19° | 30° | 0.1" | 0.3" |
| 2001 | 43° | 18° | 30° | — | — |
| 2000 | 44° | 17° | 31° | — | — |
| 1999 | 47° | 24° | 35° | 0.03" | — |
| 1998 | 32° | 12° | 22° | 0.2" | 2" |
| 1997 | 46° | 19° | 33° | — | — |
| 1996 | 50° | 27° | 38° | — | — |
| 1995 | 45° | 13° | 29° | — | — |
| 1994 | 47° | 15° | 31° | — | — |
| 1993 | 42° | 15° | 29° | — | — |
| 1992 | 34° | 7° | 20° | — | — |
| 1991 | 35° | 26° | 31° | — | — |
| 1990 | 38° | 10° | 24° | 0.05" | — |
| 1989 | 54° | 23° | 38° | — | — |
| 1988 | 46° | 39° | 43° | — | — |
| 1987 | 44° | 22° | 33° | — | — |
| 1986 | 52° | 21° | 36° | — | — |
| 1985 | 52° | 19° | 35° | — | — |
| 1984 | 47° | 27° | 37° | — | — |
| 1983 | 36° | 20° | 28° | 0.15" | — |
| 1982 | 47° | 21° | 34° | — | — |
| 1981 | 54° | 34° | 44° | 0.25" | — |
| 1980 | 55° | 26° | 41° | — | — |
| 1979 | 42° | 19° | 31° | 0.15" | — |
| 1978 | 40° | 15° | 27° | — | — |
| 1977 | 35° | 10° | 23° | — | — |
| 1976 | 45° | 9° | 27° | — | — |
| 1975 | 36° | 18° | 27° | 0.25" | — |
| 1974 | 49° | 25° | 37° | — | — |
| 1973 | 40° | 15° | 27° | — | — |
| 1972 | 41° | 19° | 30° | — | — |
| 1971 | 32° | 6° | 19° | — | — |
55 years of data from MOAB