Weather on December 10
Longmont, CO
55 Years of Data
Avg High
47°F
Avg Low
16°F
Warmest
2015
55°F avg
Coldest
1972
-8°F avg
About This Date
December 10th in Longmont, CO typically brings chilly winter weather, with average highs around 47°F and lows near 16°F — a 31°F daily swing. Over 55 years of records, the warmest December 10th was in 2015 (55°F average), while the coldest was 1972 (-8°F) — a 63°F range across recorded history. Precipitation has occurred on 11% of recorded December 10th dates, with snow falling 9% of the time (heaviest snowfall: 3.8"). The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for December 10th in Longmont, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
2.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 60° | 30° | 45° | — | — |
| 2024 | 37° | 15° | 26° | — | — |
| 2023 | 44° | 15° | 30° | — | — |
| 2022 | 51° | 17° | 34° | — | — |
| 2021 | 51° | 30° | 41° | — | — |
| 2020 | 65° | 23° | 44° | — | — |
| 2019 | 38° | 19° | 28° | — | — |
| 2018 | 47° | 13° | 30° | — | — |
| 2017 | 63° | 21° | 42° | — | — |
| 2016 | 55° | 18° | 36° | — | — |
| 2015warmest | 64° | 47° | 55° | — | — |
| 2014 | 63° | 30° | 46° | — | — |
| 2013 | 45° | 17° | 31° | — | — |
| 2012 | 41° | 7° | 24° | — | — |
| 2011 | 48° | 17° | 33° | — | — |
| 2010 | 58° | 33° | 45° | — | — |
| 2009 | 27° | -2° | 12° | — | — |
| 2008 | 51° | 14° | 33° | — | — |
| 2007 | 42° | 11° | 26° | — | — |
| 2006 | 54° | 30° | 42° | — | — |
| 2005 | 46° | 21° | 34° | — | — |
| 2004 | 55° | 30° | 43° | — | — |
| 2003 | 33° | 8° | 21° | — | — |
| 2002 | 56° | 16° | 36° | — | — |
| 2001 | 54° | 12° | 33° | — | — |
| 2000 | 58° | 12° | 35° | — | — |
| 1999 | 41° | 8° | 25° | — | — |
| 1998 | 32° | -3° | 15° | 0.61" | 3.8" |
| 1997 | 38° | 21° | 29° | 0.43" | 1.8" |
| 1996 | 67° | 37° | 52° | — | — |
| 1995 | 38° | 7° | 22° | — | — |
| 1994 | 38° | 8° | 23° | — | — |
| 1993 | 59° | 27° | 43° | — | — |
| 1992 | 54° | 24° | 39° | — | — |
| 1991 | 48° | 20° | 34° | — | — |
| 1990 | 62° | 26° | 44° | — | — |
| 1989 | 58° | 20° | 39° | 0.61" | 2" |
| 1988 | 44° | 4° | 24° | — | — |
| 1987 | 52° | 27° | 39° | — | — |
| 1986 | 26° | -9° | 9° | — | — |
| 1985 | 18° | 4° | 11° | 0.41" | 1.5" |
| 1984 | 62° | 19° | 41° | — | — |
| 1983 | 38° | 25° | 31° | — | — |
| 1982 | 44° | 11° | 27° | — | — |
| 1981 | 60° | 21° | 41° | — | — |
| 1980 | 45° | 15° | 30° | — | — |
| 1979 | 52° | 25° | 38° | — | — |
| 1978 | 19° | -7° | 6° | — | — |
| 1977 | 23° | 0° | 12° | — | — |
| 1976 | 61° | 25° | 43° | 0.08" | — |
| 1975 | 67° | 27° | 47° | — | — |
| 1974 | 57° | 16° | 36° | — | — |
| 1973 | 40° | 18° | 29° | — | — |
| 1972coldest | 6° | -22° | -8° | 0.1" | 1" |
| 1971 | 42° | 6° | 24° | — | — |
55 years of data from LONGMONT 2 ESE