Weather on December 14
Longmont, CO
55 Years of Data
About This Date
December 14th in Longmont, CO typically brings chilly winter weather, with average highs around 45°F and lows near 17°F — a 28°F daily swing. Over 55 years of records, the warmest December 14th was in 2006 (52°F average), while the coldest was 1972 (9°F) — a 43°F range across recorded history. Precipitation has occurred on 22% of recorded December 14th dates, with snow falling 20% of the time (heaviest snowfall: 4.1"). The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for December 14th in Longmont, CO? Bring layers as temperatures can vary throughout the day. Check road conditions if traveling, as snow is possible.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 54° | 22° | 38° | — | — |
| 2024 | 51° | 22° | 36° | — | — |
| 2023 | 37° | 29° | 33° | 0.03" | 0.1" |
| 2022 | 30° | 19° | 25° | — | — |
| 2021 | 58° | 26° | 42° | — | — |
| 2020 | 32° | 9° | 20° | — | — |
| 2019 | 49° | 27° | 38° | — | — |
| 2018 | 46° | 18° | 32° | — | — |
| 2017 | 55° | 27° | 41° | 0.15" | 0.5" |
| 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 | 49° | 15° | 32° | — | — |
| 2002 | 60° | 17° | 39° | — | — |
| 2001 | — | 4° | — | — | — |
| 2000 | 25° | -5° | 10° | — | — |
| 1999 | 54° | 22° | 38° | — | — |
| 1998 | 46° | 10° | 28° | — | — |
| 1997 | 54° | 14° | 34° | — | — |
| 1996 | 56° | 31° | 43° | — | — |
| 1995 | 61° | 25° | 43° | — | — |
| 1994 | 44° | 18° | 31° | — | — |
| 1993 | 50° | 10° | 30° | — | — |
| 1992 | 32° | 1° | 17° | 0.18" | — |
| 1991 | 48° | 12° | 30° | — | — |
| 1990 | 37° | 28° | 33° | — | — |
| 1989 | 44° | 9° | 26° | — | — |
| 1988 | 55° | 19° | 37° | — | — |
| 1987 | 29° | 6° | 17° | 0.36" | 3" |
| 1986 | 40° | 12° | 26° | — | — |
| 1985 | 52° | 1° | 26° | — | — |
| 1984 | 25° | -4° | 10° | 0.61" | 3" |
| 1983 | 36° | 20° | 28° | — | — |
| 1982 | 55° | 19° | 37° | — | — |
| 1981 | 45° | 19° | 32° | 0.13" | 0.5" |
| 1980 | 52° | 20° | 36° | — | — |
| 1979 | 34° | 8° | 21° | — | — |
| 1978 | 38° | 12° | 25° | — | — |
| 1977 | 54° | 23° | 38° | — | — |
| 1976 | 60° | 17° | 39° | — | — |
| 1975 | 36° | 12° | 24° | 0.2" | 1" |
| 1974 | 44° | 13° | 28° | — | — |
| 1973 | 49° | 24° | 36° | — | — |
| 1972coldest | 27° | -9° | 9° | — | — |
| 1971 | 35° | 4° | 19° | 0.08" | 0.5" |