Weather on December 15
Denver, CO
55 Years of Data
Avg High
46°F
Avg Low
19°F
Warmest
2006
53°F avg
Coldest
2008
-5°F avg
About This Date
December 15th in Denver, CO typically brings chilly winter weather, with average highs around 46°F and lows near 19°F — a 27°F daily swing. Over 55 years of records, the warmest December 15th was in 2006 (53°F average), while the coldest was 2008 (-5°F) — a 58°F range across recorded history. Precipitation has occurred on 16% of recorded December 15th dates, with snow falling 13% of the time (heaviest snowfall: 3.2"). The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
Planning for December 15th 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 | 73° | 24° | 49° | — | — |
| 2024 | 63° | 31° | 47° | — | — |
| 2023 | 34° | 23° | 28° | — | — |
| 2022 | 42° | 15° | 29° | — | — |
| 2021 | 66° | 27° | 46° | — | — |
| 2020 | 36° | 13° | 24° | 0.15" | 1" |
| 2019 | 43° | 21° | 32° | 0.03" | — |
| 2018 | 57° | 19° | 38° | — | — |
| 2017 | 40° | 24° | 32° | — | — |
| 2016 | 29° | 13° | 21° | — | — |
| 2015 | 44° | 21° | 33° | 0.23" | 3.2" |
| 2014 | 36° | 29° | 32° | 0.38" | 0.4" |
| 2013 | 48° | 26° | 37° | — | — |
| 2012 | 44° | 26° | 35° | — | — |
| 2011 | 53° | 23° | 38° | — | — |
| 2010 | 64° | 35° | 50° | — | — |
| 2009 | 49° | 16° | 32° | — | — |
| 2008coldest | 6° | -17° | -5° | — | 0.5" |
| 2007 | 22° | 3° | 12° | — | — |
| 2006warmest | 61° | 45° | 53° | — | — |
| 2005 | 41° | 16° | 28° | — | — |
| 2004 | 60° | 24° | 42° | — | — |
| 2003 | 65° | 31° | 48° | 0.25" | — |
| 2002 | 67° | 29° | 48° | — | — |
| 2001 | 53° | 10° | 32° | 0.38" | 0.2" |
| 2000 | 49° | 27° | 38° | — | — |
| 1999 | 43° | 26° | 34° | — | — |
| 1998 | 50° | 26° | 38° | — | — |
| 1997 | 58° | — | — | — | — |
| 1996 | 42° | 18° | 30° | — | — |
| 1995 | 53° | 19° | 36° | — | — |
| 1994 | 45° | 14° | 29° | — | — |
| 1993 | 53° | 17° | 35° | — | — |
| 1992 | 37° | 22° | 29° | 0.08" | 1.5" |
| 1991 | 47° | 20° | 33° | — | — |
| 1990 | 47° | 21° | 34° | — | — |
| 1989 | 22° | 5° | 13° | — | — |
| 1988 | 24° | 4° | 14° | 0.41" | — |
| 1987 | 35° | -2° | 17° | — | — |
| 1986 | 48° | 20° | 34° | — | — |
| 1985 | 47° | -4° | 21° | — | — |
| 1984 | 38° | 12° | 25° | — | — |
| 1983 | 28° | 18° | 23° | — | — |
| 1982 | 45° | 19° | 32° | — | — |
| 1981 | 44° | 21° | 33° | — | — |
| 1980 | 65° | 25° | 45° | — | — |
| 1979 | 56° | 30° | 43° | — | — |
| 1978 | 48° | 20° | 34° | — | — |
| 1977 | 63° | 32° | 47° | — | — |
| 1976 | 54° | 16° | 35° | — | — |
| 1975 | 51° | 4° | 27° | 0.05" | 0.2" |
| 1974 | 41° | 15° | 28° | — | — |
| 1973 | 43° | 18° | 30° | — | — |
| 1972 | 36° | -1° | 18° | — | — |
| 1971 | 40° | 10° | 25° | — | — |
55 years of data from NORTHGLENN