Weather on December 16
Boulder, CO
55 Years of Data
Avg High
47°F
Avg Low
22°F
Warmest
1980
59°F avg
Coldest
1989
9°F avg
About This Date
December 16th in Boulder, CO typically brings chilly winter weather, with average highs around 47°F and lows near 22°F — a 25°F daily swing. Over 55 years of records, the warmest December 16th was in 1980 (59°F average), while the coldest was 1989 (9°F) — a 50°F range across recorded history. Precipitation has occurred on 9% of recorded December 16th dates, with snow falling 9% of the time (heaviest snowfall: 4.8"). The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.
Planning for December 16th in Boulder, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 37° | 53° | — | — |
| 2024 | 43° | 25° | 34° | — | — |
| 2023 | 63° | 30° | 47° | — | — |
| 2022 | 32° | 18° | 25° | — | — |
| 2021 | 45° | 30° | 38° | — | — |
| 2020 | 45° | 19° | 32° | — | — |
| 2019 | 34° | 23° | 29° | — | — |
| 2018 | 55° | 28° | 42° | — | — |
| 2017 | 58° | 36° | 47° | — | — |
| 2016 | 59° | 25° | 42° | — | — |
| 2015 | 36° | 15° | 25° | — | — |
| 2014 | 37° | 17° | 27° | — | — |
| 2013 | 62° | 40° | 51° | — | — |
| 2012 | 41° | 24° | 33° | — | — |
| 2011 | 39° | 19° | 29° | — | — |
| 2010 | 38° | 19° | 28° | — | — |
| 2009 | 54° | 42° | 48° | — | — |
| 2008 | 38° | -7° | 15° | — | — |
| 2007 | 47° | 13° | 30° | — | — |
| 2006 | 60° | 34° | 47° | — | — |
| 2005 | 34° | 8° | 21° | — | — |
| 2004 | 46° | 25° | 35° | 0.15" | 0.4" |
| 2003 | 43° | 18° | 30° | — | — |
| 2002 | 55° | 30° | 43° | — | — |
| 2001 | 38° | 13° | 25° | 0.86" | 4.3" |
| 2000 | 40° | 12° | 26° | — | — |
| 1999 | 54° | 33° | 43° | — | — |
| 1998 | 47° | 27° | 37° | — | — |
| 1997 | 54° | 27° | 40° | — | — |
| 1996 | 40° | 14° | 27° | 0.58" | 3.8" |
| 1995 | 43° | 30° | 36° | — | — |
| 1994 | 51° | 20° | 35° | — | — |
| 1993 | 30° | 22° | 26° | 0.33" | 1.8" |
| 1992 | 31° | 18° | 24° | 0.53" | 4.8" |
| 1991 | 63° | 26° | 44° | — | — |
| 1990 | 49° | 25° | 37° | — | — |
| 1989coldest | 17° | 0° | 9° | — | — |
| 1988 | 41° | 6° | 24° | — | — |
| 1987 | 33° | 8° | 21° | — | — |
| 1986 | 53° | 26° | 40° | — | — |
| 1985 | 49° | 26° | 37° | — | — |
| 1984 | 48° | 23° | 36° | — | — |
| 1983 | 21° | 10° | 16° | — | — |
| 1982 | 53° | 27° | 40° | — | — |
| 1981 | 50° | 30° | 40° | — | — |
| 1980warmest | 68° | 50° | 59° | — | — |
| 1979 | 54° | 7° | 30° | — | — |
| 1978 | 51° | 16° | 33° | — | — |
| 1977 | 56° | 33° | 44° | — | — |
| 1976 | 63° | 28° | 45° | — | — |
| 1975 | 45° | 18° | 31° | — | — |
| 1974 | 45° | 16° | 30° | — | — |
| 1973 | 60° | 24° | 42° | — | — |
| 1972 | 51° | 12° | 32° | — | — |
| 1971 | 36° | 13° | 24° | — | — |
55 years of data from BOULDER MUNI AP