Weather on December 21
Provo, UT
55 Years of Data
Avg High
40°F
Avg Low
23°F
Warmest
2025
49°F avg
Coldest
1990
6°F avg
About This Date
December 21st in Provo, UT typically brings chilly winter weather, with average highs around 40°F and lows near 23°F. Over 52 years of records, the warmest December 21st was in 2025 (49°F average), while the coldest was 1990 (6°F) — a 43°F range across recorded history. Precipitation has occurred on 27% of recorded December 21st dates, with snow falling 17% of the time (heaviest snowfall: 11"). The last decade has been 5.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.7°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Provo, UT? Bring layers as temperatures can vary throughout the day.
Warming Trend
2.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 56° | 42° | 49° | — | — |
| 2024 | 56° | 28° | 42° | — | — |
| 2023 | 55° | 34° | 44° | — | — |
| 2022 | 42° | 24° | 33° | — | — |
| 2021 | 44° | 21° | 33° | — | — |
| 2020 | 51° | 32° | 42° | — | — |
| 2019 | 48° | 26° | 37° | — | — |
| 2018 | 53° | 35° | 44° | 0.03" | — |
| 2017 | 34° | 25° | 29° | 0.08" | 0.6" |
| 2016 | 37° | 30° | 34° | — | — |
| 2015 | 43° | 34° | 38° | 0.79" | — |
| 2014 | 43° | 37° | 40° | 2.82" | — |
| 2013 | 29° | 22° | 25° | 0.15" | 1" |
| 2012 | 43° | 17° | 30° | — | — |
| 2011 | 34° | 23° | 28° | — | — |
| 2010 | 35° | 31° | 33° | 2.49" | 11" |
| 2009 | 46° | 22° | 34° | — | — |
| 2008 | 31° | 14° | 22° | — | — |
| 2007 | 43° | 24° | 33° | 0.51" | 2" |
| 2006 | 24° | 11° | 17° | — | — |
| 2005 | 56° | 29° | 42° | — | — |
| 2004 | 37° | 24° | 31° | — | — |
| 2003 | 51° | 34° | 42° | 1.17" | — |
| 2002 | 36° | 25° | 30° | — | — |
| 2001 | 40° | 25° | 32° | — | — |
| 2000 | 54° | 29° | 41° | — | — |
| 1999 | 39° | 31° | 35° | 0.61" | 3" |
| 1998 | 17° | 5° | 11° | — | — |
| 1997 | 29° | 22° | 25° | 0.18" | 2" |
| 1996 | 44° | 37° | 41° | — | — |
| 1995 | 36° | 25° | 30° | 0.1" | 0.5" |
| 1994 | 44° | 18° | 31° | — | — |
| 1993 | 31° | 9° | 20° | — | — |
| 1992 | 40° | 10° | 25° | — | — |
| 1991 | 37° | 16° | 26° | — | — |
| 1990coldest | 15° | -4° | 6° | — | — |
| 1989 | 45° | 23° | 34° | — | — |
| 1988 | 38° | 28° | 33° | 0.58" | 2.5" |
| 1987 | 36° | 25° | 30° | — | — |
| 1986 | 36° | 22° | 29° | — | — |
| 1985 | 23° | 17° | 20° | — | — |
| 1984 | 40° | 23° | 31° | 0.03" | 0.5" |
| 1983 | 29° | 7° | 18° | — | — |
| 1982 | 54° | 36° | 45° | — | — |
| 1981 | 57° | 33° | 45° | 1.09" | — |
| 1980 | 39° | 26° | 33° | — | — |
| 1976 | 34° | 6° | 20° | — | — |
| 1975 | 23° | 11° | 17° | — | — |
| 1974 | 47° | 23° | 35° | — | — |
| 1973 | 46° | 23° | 35° | — | — |
| 1972 | 45° | 25° | 35° | — | — |
| 1971 | 41° | 7° | 24° | — | — |
52 years of data from PROVO RADIO KAYK