Weather on December 25
Boulder, CO
55 Years of Data
Avg High
45°F
Avg Low
19°F
Warmest
2025
54°F avg
Coldest
1983
5°F avg
About This Date
December 25th in Boulder, CO typically brings chilly winter weather, with average highs around 45°F and lows near 19°F — a 26°F daily swing. Over 55 years of records, the warmest December 25th was in 2025 (54°F average), while the coldest was 1983 (5°F) — a 49°F range across recorded history. Precipitation has occurred on 16% of recorded December 25th dates, with snow falling 18% of the time (heaviest snowfall: 6.7"). The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for December 25th in Boulder, 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 |
|---|---|---|---|---|---|
| 2025warmest | 70° | 39° | 54° | — | — |
| 2024 | 52° | 34° | 43° | — | — |
| 2023 | 30° | 14° | 22° | — | — |
| 2022 | 52° | 27° | 40° | — | — |
| 2021 | 54° | 34° | 44° | — | — |
| 2020 | 55° | 30° | 43° | — | — |
| 2019 | 50° | 32° | 41° | — | — |
| 2018 | 43° | 27° | 35° | — | — |
| 2017 | 24° | 11° | 17° | — | — |
| 2016 | 41° | 25° | 33° | — | — |
| 2015 | 30° | 14° | 22° | — | — |
| 2014 | 46° | 27° | 36° | 0.53" | 2.2" |
| 2013 | 46° | 19° | 33° | — | — |
| 2012 | 31° | 5° | 18° | 0.74" | 6.7" |
| 2011 | 46° | 21° | 34° | — | — |
| 2010 | 53° | 20° | 36° | — | — |
| 2009 | 30° | 6° | 18° | — | — |
| 2008 | 52° | 16° | 34° | — | — |
| 2007 | 47° | 23° | 35° | 0.91" | 5.9" |
| 2006 | 53° | 12° | 33° | 0.08" | 0.5" |
| 2005 | 68° | 36° | 52° | — | — |
| 2004 | 58° | 33° | 45° | — | — |
| 2003 | 52° | 29° | 40° | — | — |
| 2002 | 32° | 15° | 24° | — | — |
| 2001 | 43° | 18° | 30° | — | — |
| 2000 | 30° | 19° | 25° | 0.15" | 0.9" |
| 1999 | 58° | 30° | 44° | — | — |
| 1998 | 46° | 23° | 35° | — | — |
| 1997 | 29° | 11° | 20° | 0.46" | 2.9" |
| 1996 | 54° | 24° | 39° | — | — |
| 1995 | 50° | 20° | 35° | — | — |
| 1994 | 58° | 32° | 45° | — | — |
| 1993 | 53° | 35° | 44° | — | — |
| 1992 | 41° | 18° | 29° | — | — |
| 1991 | 47° | 21° | 34° | — | — |
| 1990 | 23° | 5° | 14° | — | 0.1" |
| 1989 | 46° | -22° | 12° | — | — |
| 1988 | 30° | 16° | 23° | — | — |
| 1987 | 22° | -2° | 10° | 0.03" | 0.4" |
| 1986 | 39° | 19° | 29° | — | — |
| 1985 | 51° | 24° | 38° | — | — |
| 1984 | 44° | 17° | 31° | — | — |
| 1983coldest | 20° | -10° | 5° | — | — |
| 1982 | 39° | 14° | 27° | 0.38" | 1" |
| 1981 | 41° | 16° | 28° | — | — |
| 1980 | 60° | 17° | 39° | — | — |
| 1979 | 61° | 28° | 44° | — | — |
| 1978 | 53° | 19° | 36° | — | — |
| 1977 | 31° | 9° | 20° | — | — |
| 1976 | 36° | 8° | 22° | 0.05" | 0.7" |
| 1975 | 47° | 27° | 37° | — | — |
| 1974 | 31° | 3° | 17° | — | — |
| 1973 | 44° | 14° | 29° | — | — |
| 1972 | 50° | 29° | 39° | — | — |
| 1971 | 64° | 33° | 49° | — | — |
55 years of data from BOULDER MUNI AP