Weather on December 14
Boulder, CO
55 Years of Data
Avg High
47°F
Avg Low
23°F
Warmest
2006
52°F avg
Coldest
1987
12°F avg
About This Date
December 14th in Boulder, CO typically brings chilly winter weather, with average highs around 47°F and lows near 23°F. Over 55 years of records, the warmest December 14th was in 2006 (52°F average), while the coldest was 1987 (12°F) — a 40°F range across recorded history. Precipitation has occurred on 22% of recorded December 14th dates, with snow falling 22% of the time (heaviest snowfall: 4.1"). 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 14th in Boulder, CO? Bring layers as temperatures can vary throughout the day. Check road conditions if traveling, as snow is possible.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 27° | 45° | — | — |
| 2024 | 54° | 36° | 45° | — | — |
| 2023 | 36° | 27° | 32° | — | — |
| 2022 | 41° | 21° | 31° | — | — |
| 2021 | 61° | 32° | 46° | — | — |
| 2020 | 36° | 12° | 24° | — | — |
| 2019 | 34° | 25° | 30° | — | — |
| 2018 | 54° | 27° | 41° | — | — |
| 2017 | 45° | 23° | 34° | 0.46" | 2.1" |
| 2016 | 45° | 13° | 29° | 0.03" | 0.1" |
| 2015 | 42° | 21° | 32° | — | — |
| 2014 | 41° | 31° | 36° | 0.66" | 1.2" |
| 2013 | 47° | 20° | 33° | — | — |
| 2012 | 45° | 27° | 36° | — | — |
| 2011 | 49° | 24° | 36° | — | — |
| 2010 | 63° | 36° | 49° | — | — |
| 2009 | 44° | 31° | 37° | — | — |
| 2008 | 46° | -5° | 21° | 0.64" | 4.1" |
| 2007 | 23° | 12° | 18° | 0.28" | 2.6" |
| 2006warmest | 60° | 45° | 52° | — | — |
| 2005 | 36° | 21° | 28° | — | — |
| 2004 | 54° | 20° | 37° | — | — |
| 2003 | 61° | 32° | 46° | — | — |
| 2002 | 58° | 36° | 47° | — | — |
| 2001 | 48° | 26° | 37° | — | — |
| 2000 | 47° | 12° | 29° | — | — |
| 1999 | 44° | 20° | 32° | — | — |
| 1998 | 61° | 28° | 44° | — | — |
| 1997 | 62° | 32° | 47° | — | — |
| 1996 | 51° | 29° | 40° | — | — |
| 1995 | 54° | 31° | 42° | — | — |
| 1994 | 41° | 19° | 30° | — | — |
| 1993 | 52° | 23° | 37° | — | — |
| 1992 | 34° | 9° | 21° | 0.03" | 0.3" |
| 1991 | 50° | 15° | 33° | — | — |
| 1990 | 42° | 27° | 34° | 0.03" | 0.1" |
| 1989 | 44° | 9° | 26° | — | — |
| 1988 | 56° | 26° | 41° | 0.43" | 3" |
| 1987coldest | 20° | 5° | 12° | 0.41" | 2.5" |
| 1986 | 49° | 32° | 40° | — | — |
| 1985 | 55° | 13° | 34° | — | — |
| 1984 | 27° | 3° | 15° | — | — |
| 1983 | 42° | 25° | 33° | — | — |
| 1982 | 47° | 29° | 38° | — | — |
| 1981 | 49° | 25° | 37° | 0.08" | 0.5" |
| 1980 | 64° | 31° | 47° | — | — |
| 1979 | 62° | 19° | 41° | — | — |
| 1978 | 38° | 12° | 25° | — | — |
| 1977 | 60° | 39° | 50° | — | — |
| 1976 | 52° | 38° | 45° | — | — |
| 1975 | 28° | 8° | 18° | 0.38" | 2.2" |
| 1974 | 37° | 24° | 31° | — | — |
| 1973 | 50° | 28° | 39° | — | — |
| 1972 | 39° | 4° | 21° | — | — |
| 1971 | 32° | 7° | 19° | 0.33" | 2.2" |
55 years of data from BOULDER MUNI AP