Weather on December 31
Denver, CO
55 Years of Data
Avg High
42°F
Avg Low
15°F
Warmest
1996
50°F avg
Coldest
2014
-6°F avg
About This Date
December 31st in Denver, CO typically brings chilly winter weather, with average highs around 42°F and lows near 15°F — a 27°F daily swing. Over 55 years of records, the warmest December 31st was in 1996 (50°F average), while the coldest was 2014 (-6°F) — a 56°F range across recorded history. Precipitation has occurred on 15% of recorded December 31st dates, with snow falling 15% of the time (heaviest snowfall: 4"). The last decade has been 3.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.8°F cooler on this date compared to 20-30 years ago.
Planning for December 31st in Denver, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 22° | 43° | — | — |
| 2024 | 45° | 16° | 30° | — | — |
| 2023 | 56° | 18° | 37° | — | — |
| 2022 | 42° | 20° | 31° | — | — |
| 2021 | 38° | 12° | 25° | 0.38" | 3.6" |
| 2020 | 47° | 16° | 31° | — | — |
| 2019 | 36° | 13° | 24° | — | — |
| 2018 | 53° | 22° | 37° | — | — |
| 2017 | 37° | 11° | 24° | — | — |
| 2016 | 65° | 22° | 43° | — | — |
| 2015 | 28° | 6° | 17° | — | — |
| 2014coldest | 0° | -13° | -6° | — | — |
| 2013 | 48° | 28° | 38° | — | — |
| 2012 | 40° | 8° | 24° | — | — |
| 2011 | 57° | 29° | 43° | — | — |
| 2010 | 33° | 2° | 17° | 0.41" | 1.6" |
| 2009 | 33° | 10° | 22° | — | — |
| 2008 | 59° | 18° | 38° | — | — |
| 2007 | 45° | 16° | 30° | — | — |
| 2006 | 29° | 12° | 20° | — | — |
| 2005 | 51° | 25° | 38° | — | — |
| 2004 | 53° | 27° | 40° | — | — |
| 2003 | 54° | 20° | 37° | — | — |
| 2002 | 50° | 19° | 35° | — | — |
| 2001 | 29° | 13° | 21° | — | — |
| 2000 | 39° | 17° | 28° | 0.05" | 0.3" |
| 1999 | 58° | 24° | 41° | — | — |
| 1998 | 40° | 26° | 33° | — | — |
| 1997 | 59° | 21° | 40° | — | — |
| 1996warmest | 65° | 35° | 50° | — | — |
| 1995 | 39° | 23° | 31° | — | — |
| 1994 | 20° | -3° | 9° | 0.15" | 1.4" |
| 1993 | 51° | 26° | 39° | — | — |
| 1992 | 37° | 15° | 26° | — | — |
| 1991 | 35° | 19° | 27° | 0.46" | 1.9" |
| 1990 | 57° | 16° | 36° | — | — |
| 1989 | 41° | 15° | 28° | — | — |
| 1988 | 51° | 14° | 33° | — | — |
| 1987 | 31° | -6° | 13° | — | — |
| 1986 | 38° | 17° | 27° | — | — |
| 1985 | 46° | 20° | 33° | — | — |
| 1984 | 40° | 20° | 30° | 0.15" | 0.9" |
| 1983 | 44° | 32° | 38° | — | — |
| 1982 | 39° | 5° | 22° | — | — |
| 1981 | 38° | 23° | 30° | — | — |
| 1980 | 63° | 26° | 44° | — | — |
| 1979 | 53° | 10° | 32° | — | — |
| 1978 | 15° | -3° | 6° | 0.08" | 0.5" |
| 1977 | 33° | 9° | 21° | — | — |
| 1976 | 33° | 5° | 19° | — | — |
| 1975 | 31° | 16° | 23° | 0.74" | 4" |
| 1974 | 33° | 13° | 23° | — | — |
| 1973 | 14° | -7° | 4° | — | — |
| 1972 | 34° | 7° | 20° | — | — |
| 1971 | 55° | 15° | 35° | — | — |
55 years of data from DENVER-STAPLETON