Weather on December 9
Aurora, CO
55 Years of Data
Avg High
45°F
Avg Low
18°F
Warmest
1996
52°F avg
Coldest
1972
-4°F avg
About This Date
December 9th in Aurora, CO typically brings chilly winter weather, with average highs around 45°F and lows near 18°F — a 27°F daily swing. Over 55 years of records, the warmest December 9th was in 1996 (52°F average), while the coldest was 1972 (-4°F) — a 56°F range across recorded history. Precipitation has occurred on 25% of recorded December 9th dates, with snow falling 24% of the time (heaviest snowfall: 5.5"). The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
Planning for December 9th in Aurora, CO? Bring layers as temperatures can vary throughout the day. Check road conditions if traveling, as snow is possible.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 53° | 30° | 42° | — | — |
| 2024 | 60° | 24° | 42° | — | — |
| 2023 | 41° | 18° | 29° | 0.3" | 1.7" |
| 2022 | 45° | 15° | 30° | — | — |
| 2021 | 54° | 27° | 40° | — | — |
| 2020 | 64° | 31° | 47° | — | — |
| 2019 | 56° | 24° | 40° | — | — |
| 2018 | 49° | 20° | 34° | — | — |
| 2017 | 56° | 23° | 39° | — | — |
| 2016 | 17° | -4° | 7° | — | — |
| 2015 | 59° | 37° | 48° | — | — |
| 2014 | 48° | 20° | 34° | — | — |
| 2013 | 19° | 2° | 10° | — | — |
| 2012 | 53° | 20° | 36° | 0.05" | 0.2" |
| 2011 | 34° | 7° | 20° | — | — |
| 2010 | 56° | 23° | 39° | — | — |
| 2009 | 6° | -13° | -3° | 0.03" | 0.1" |
| 2008 | 50° | 18° | 34° | 0.53" | 3" |
| 2007 | 25° | 1° | 13° | 0.61" | 3.2" |
| 2006 | 63° | 30° | 46° | — | — |
| 2005 | 27° | -10° | 9° | — | — |
| 2004 | 52° | 27° | 39° | — | — |
| 2003 | 37° | 18° | 27° | 0.79" | 3.9" |
| 2002 | 44° | 17° | 31° | — | — |
| 2001 | 53° | 21° | 37° | — | — |
| 2000 | 41° | 23° | 32° | — | — |
| 1999 | 30° | 13° | 21° | 0.05" | 1.4" |
| 1998 | 30° | 20° | 25° | 0.33" | 3.6" |
| 1997 | 33° | 24° | 29° | 0.51" | 2.7" |
| 1996warmest | 64° | 39° | 52° | — | — |
| 1995 | 34° | 1° | 17° | — | — |
| 1994 | 41° | 14° | 28° | — | — |
| 1993 | 62° | 33° | 48° | — | — |
| 1992 | 52° | 24° | 38° | — | — |
| 1991 | 54° | 22° | 38° | — | — |
| 1990 | 62° | 28° | 45° | — | — |
| 1989 | 59° | 30° | 45° | — | — |
| 1988 | 49° | 14° | 31° | — | — |
| 1987 | 46° | 23° | 35° | — | — |
| 1986 | 21° | 0° | 11° | 0.23" | 2.3" |
| 1985 | 29° | 8° | 18° | 0.71" | 5.5" |
| 1984 | 59° | 33° | 46° | — | — |
| 1983 | 38° | 25° | 31° | — | — |
| 1982 | 43° | 16° | 29° | 0.2" | — |
| 1981 | 66° | 28° | 47° | — | — |
| 1980 | 42° | 20° | 31° | — | — |
| 1979 | 58° | 29° | 43° | — | — |
| 1978 | 34° | -2° | 16° | — | — |
| 1977 | 18° | 0° | 9° | — | — |
| 1976 | 62° | 28° | 45° | 0.03" | 0.1" |
| 1975 | 66° | 35° | 51° | — | — |
| 1974 | 53° | 24° | 39° | — | — |
| 1973 | 37° | 25° | 31° | — | — |
| 1972coldest | 6° | -14° | -4° | 0.28" | 1.8" |
| 1971 | 47° | -6° | 21° | — | — |
55 years of data from DENVER-STAPLETON