Weather on December 20
Denver, CO
55 Years of Data
Avg High
45°F
Avg Low
17°F
Warmest
1981
51°F avg
Coldest
1990
-9°F avg
About This Date
December 20th in Denver, CO typically brings chilly winter weather, with average highs around 45°F and lows near 17°F — a 28°F daily swing. Over 55 years of records, the warmest December 20th was in 1981 (51°F average), while the coldest was 1990 (-9°F) — a 60°F range across recorded history. Precipitation has occurred on 11% of recorded December 20th dates, with snow falling 9% of the time (heaviest snowfall: 2.1"). The last decade has been 7.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.5°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Denver, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 54° | 25° | 39° | — | — |
| 2024 | 60° | 20° | 40° | — | — |
| 2023 | 65° | 36° | 50° | — | — |
| 2022 | 50° | 18° | 34° | — | — |
| 2021 | 62° | 24° | 43° | — | — |
| 2020 | 46° | 20° | 33° | — | — |
| 2019 | 45° | 20° | 32° | — | — |
| 2018 | 50° | 20° | 35° | — | — |
| 2017 | 52° | 25° | 38° | — | — |
| 2016 | 49° | 8° | 28° | — | — |
| 2015 | 59° | 25° | 42° | — | — |
| 2014 | 49° | 19° | 34° | — | — |
| 2013 | 43° | 15° | 29° | — | — |
| 2012 | 22° | 6° | 14° | 0.1" | 0.7" |
| 2011 | 31° | 20° | 25° | 0.08" | 0.1" |
| 2010 | 62° | 18° | 40° | — | — |
| 2009 | 51° | 18° | 34° | — | — |
| 2008 | 47° | 14° | 30° | — | — |
| 2007 | 47° | 19° | 33° | — | — |
| 2006 | 38° | 22° | 30° | — | — |
| 2005 | 41° | 8° | 25° | — | — |
| 2004 | 62° | 21° | 42° | — | — |
| 2003 | 59° | 18° | 38° | — | — |
| 2002 | 37° | 15° | 26° | — | — |
| 2001 | 53° | 20° | 36° | — | — |
| 2000 | 59° | 21° | 40° | — | — |
| 1999 | 41° | 12° | 27° | — | — |
| 1998 | 5° | -2° | 2° | 0.33" | 2.1" |
| 1997 | 39° | 18° | 28° | — | — |
| 1996 | 49° | 17° | 33° | — | — |
| 1995 | 38° | 10° | 24° | — | — |
| 1994 | 56° | 23° | 39° | — | — |
| 1993 | 41° | 4° | 22° | — | — |
| 1992 | 45° | -2° | 21° | — | — |
| 1991 | 38° | 24° | 31° | 0.03" | — |
| 1990coldest | -3° | -16° | -9° | 0.15" | 1" |
| 1989 | 49° | 2° | 25° | — | — |
| 1988 | 44° | 26° | 35° | — | — |
| 1987 | 35° | 19° | 27° | — | — |
| 1986 | 44° | 20° | 32° | — | — |
| 1985 | 50° | 24° | 37° | — | — |
| 1984 | 50° | 18° | 34° | — | — |
| 1983 | 6° | -16° | -5° | 0.13" | 0.9" |
| 1982 | 58° | 22° | 40° | — | — |
| 1981warmest | 65° | 38° | 51° | — | — |
| 1980 | 32° | 21° | 27° | — | — |
| 1979 | 56° | 30° | 43° | — | — |
| 1978 | 35° | 18° | 26° | — | — |
| 1977 | 36° | 13° | 24° | — | — |
| 1976 | 49° | 14° | 31° | — | — |
| 1975 | 55° | 24° | 40° | — | — |
| 1974 | 45° | 15° | 30° | — | — |
| 1973 | 44° | 7° | 25° | — | — |
| 1972 | 49° | 32° | 40° | — | — |
| 1971 | 55° | 27° | 41° | — | — |
55 years of data from DENVER-STAPLETON