Weather on December 22
Longmont, CO
55 Years of Data
Avg High
44°F
Avg Low
15°F
Warmest
2021
47°F avg
Coldest
1990
-17°F avg
About This Date
December 22nd in Longmont, CO typically brings chilly winter weather, with average highs around 44°F and lows near 15°F — a 29°F daily swing. Over 55 years of records, the warmest December 22nd was in 2021 (47°F average), while the coldest was 1990 (-17°F) — a 64°F range across recorded history. Precipitation has occurred on 20% of recorded December 22nd dates, with snow falling 18% of the time (heaviest snowfall: 14.6"). The last decade has been 10.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 10.0°F warmer on this date compared to 20-30 years ago.
Planning for December 22nd in Longmont, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 57° | 32° | 45° | — | — |
| 2024 | 62° | 21° | 42° | — | — |
| 2023 | 61° | 26° | 43° | — | — |
| 2022 | 50° | -15° | 18° | 0.97" | 4.8" |
| 2021warmest | 62° | 32° | 47° | — | — |
| 2020 | 58° | 26° | 42° | — | — |
| 2019 | 55° | 23° | 39° | — | — |
| 2018 | 62° | 27° | 44° | — | — |
| 2017 | 23° | 6° | 15° | 0.18" | 0.5" |
| 2016 | 41° | 22° | 31° | — | — |
| 2015 | 54° | 25° | 39° | — | — |
| 2014 | 45° | 29° | 37° | 0.36" | 1.2" |
| 2013 | 40° | 13° | 26° | 0.1" | 0.8" |
| 2012 | 51° | 30° | 41° | — | — |
| 2011 | 33° | 15° | 24° | 2.36" | 14.6" |
| 2010 | 41° | 19° | 30° | — | — |
| 2009 | 51° | 32° | 42° | — | — |
| 2008 | 27° | 3° | 15° | — | — |
| 2007 | 35° | 9° | 22° | — | — |
| 2006 | 41° | 18° | 29° | — | — |
| 2005 | 62° | 23° | 43° | — | — |
| 2004 | 29° | 17° | 23° | 0.38" | 3.9" |
| 2003 | 54° | 19° | 36° | — | 1" |
| 2002 | 42° | 14° | 28° | — | — |
| 2001 | 50° | 18° | 34° | — | — |
| 2000 | 39° | 6° | 23° | — | — |
| 1999 | 38° | 13° | 25° | — | — |
| 1998 | 12° | -25° | -6° | — | — |
| 1997 | 37° | 11° | 24° | — | — |
| 1996 | 47° | 26° | 36° | — | — |
| 1995 | 39° | 13° | 26° | 0.13" | 1" |
| 1994 | 65° | 21° | 43° | — | — |
| 1993 | 29° | -2° | 13° | 0.05" | — |
| 1992 | 39° | 9° | 24° | — | — |
| 1991 | 50° | 19° | 35° | — | — |
| 1990coldest | -4° | -31° | -17° | — | — |
| 1989 | 4° | -25° | -11° | 0.18" | 0.8" |
| 1988 | 43° | 9° | 26° | — | — |
| 1987 | 45° | 18° | 31° | — | — |
| 1986 | 48° | 16° | 32° | — | — |
| 1985 | 51° | 21° | 36° | — | — |
| 1984 | 43° | 18° | 30° | — | — |
| 1983 | -6° | -18° | -12° | — | — |
| 1982 | 61° | 29° | 45° | — | — |
| 1981 | 48° | 24° | 36° | 1.3" | 4" |
| 1980 | 51° | 23° | 37° | — | — |
| 1979 | 46° | 21° | 34° | 0.23" | — |
| 1978 | 49° | 19° | 34° | — | — |
| 1977 | 53° | 9° | 31° | — | — |
| 1976 | 52° | 12° | 32° | — | — |
| 1975 | 43° | 18° | 30° | — | — |
| 1974 | 58° | 27° | 42° | — | — |
| 1973 | 45° | 9° | 27° | — | — |
| 1972 | 50° | 20° | 35° | — | — |
| 1971 | 54° | 22° | 38° | — | — |
55 years of data from LONGMONT 2 ESE