Weather on December 15
Denver, CO
55 Years of Data
Avg High
46°F
Avg Low
20°F
Warmest
1977
53°F avg
Coldest
2008
-1°F avg
About This Date
December 15th in Denver, CO typically brings chilly winter weather, with average highs around 46°F and lows near 20°F — a 26°F daily swing. Over 55 years of records, the warmest December 15th was in 1977 (53°F average), while the coldest was 2008 (-1°F) — a 54°F range across recorded history. Precipitation has occurred on 11% of recorded December 15th dates, with snow falling 9% of the time (heaviest snowfall: 7"). The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°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
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 24° | 47° | — | — |
| 2024 | 59° | 32° | 46° | — | — |
| 2023 | 40° | 26° | 33° | — | — |
| 2022 | 39° | 20° | 29° | — | — |
| 2021 | 63° | 35° | 49° | — | — |
| 2020 | 36° | 15° | 25° | 0.3" | 2.5" |
| 2019 | 36° | 19° | 27° | — | — |
| 2018 | 54° | 25° | 39° | — | — |
| 2017 | 47° | 20° | 33° | — | — |
| 2016 | 25° | 12° | 18° | — | — |
| 2015 | 41° | 20° | 30° | 1.02" | 5" |
| 2014 | 37° | 27° | 32° | — | — |
| 2013 | 43° | 23° | 33° | — | — |
| 2012 | 42° | 28° | 35° | — | — |
| 2011 | 47° | 21° | 34° | — | — |
| 2010 | 69° | 34° | 51° | — | — |
| 2009 | 51° | 20° | 35° | — | — |
| 2008coldest | 8° | -11° | -1° | — | — |
| 2007 | 29° | 3° | 16° | 0.13" | 1" |
| 2006 | 64° | 42° | 53° | — | — |
| 2005 | 38° | 13° | 25° | — | — |
| 2004 | 56° | 22° | 39° | — | — |
| 2003 | 58° | 28° | 43° | 0.05" | 0.2" |
| 2002 | 58° | 32° | 45° | — | — |
| 2001 | 50° | 22° | 36° | — | — |
| 2000 | 46° | 24° | 35° | — | — |
| 1999 | 32° | 16° | 24° | — | — |
| 1998 | 64° | 29° | 46° | — | — |
| 1997 | 57° | 23° | 40° | — | — |
| 1996 | 39° | 12° | 26° | — | — |
| 1995 | 55° | 23° | 39° | — | — |
| 1994 | 44° | 19° | 32° | — | — |
| 1993 | 54° | 22° | 38° | — | — |
| 1992 | 34° | 12° | 23° | — | — |
| 1991 | 52° | 16° | 34° | — | — |
| 1990 | 40° | 16° | 28° | — | — |
| 1989 | 43° | 4° | 23° | — | — |
| 1988 | 31° | 14° | 22° | 1.27" | 7" |
| 1987 | 19° | 2° | 10° | — | — |
| 1986 | 54° | 23° | 38° | — | — |
| 1985 | 55° | 13° | 34° | — | — |
| 1984 | 28° | 6° | 17° | — | — |
| 1983 | 37° | 20° | 28° | 0.15" | — |
| 1982 | 37° | 19° | 28° | — | — |
| 1981 | 48° | 21° | 35° | — | — |
| 1980 | 61° | 37° | 49° | — | — |
| 1979 | 55° | 26° | 41° | — | — |
| 1978 | 59° | 27° | 43° | — | — |
| 1977warmest | 64° | 42° | 53° | — | — |
| 1976 | 49° | 26° | 37° | — | — |
| 1975 | 34° | 8° | 21° | — | — |
| 1974 | 35° | 17° | 26° | — | — |
| 1973 | 44° | 23° | 34° | — | — |
| 1972 | 37° | 1° | 19° | — | — |
| 1971 | 43° | 14° | 28° | — | — |
55 years of data from LAKEWOOD