Weather on December 26
Boulder, CO
55 Years of Data
Avg High
46°F
Avg Low
21°F
Warmest
1980
57°F avg
Coldest
1989
11°F avg
About This Date
December 26th in Boulder, CO typically brings chilly winter weather, with average highs around 46°F and lows near 21°F — a 25°F daily swing. Over 55 years of records, the warmest December 26th was in 1980 (57°F average), while the coldest was 1989 (11°F) — a 46°F range across recorded history. Precipitation has occurred on 15% of recorded December 26th dates, with snow falling 15% of the time (heaviest snowfall: 9.8"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 26th in Boulder, CO? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 50° | 57° | — | — |
| 2024 | 45° | 30° | 37° | — | — |
| 2023 | 41° | 27° | 34° | — | — |
| 2022 | 50° | 32° | 41° | — | — |
| 2021 | 50° | 25° | 38° | — | — |
| 2020 | 63° | 34° | 48° | — | — |
| 2019 | 32° | 27° | 30° | — | — |
| 2018 | 37° | 21° | 29° | — | — |
| 2017 | 17° | 8° | 13° | 0.05" | 0.8" |
| 2016 | 45° | 12° | 28° | — | — |
| 2015 | 28° | 14° | 21° | 0.36" | 2.6" |
| 2014 | 27° | 15° | 21° | 1.24" | 9.8" |
| 2013 | 57° | 27° | 42° | — | — |
| 2012 | 26° | 0° | 13° | — | — |
| 2011 | 53° | 20° | 36° | — | — |
| 2010 | 52° | 22° | 37° | — | — |
| 2009 | 39° | 17° | 28° | 0.13" | 0.7" |
| 2008 | 46° | 29° | 37° | — | — |
| 2007 | 31° | 6° | 18° | 0.13" | 0.4" |
| 2006 | 59° | 37° | 48° | — | — |
| 2005 | 67° | 36° | 51° | — | — |
| 2004 | 50° | 26° | 38° | — | — |
| 2003 | 51° | 24° | 38° | — | — |
| 2002 | 42° | 9° | 25° | — | — |
| 2001 | 51° | 23° | 37° | — | — |
| 2000 | 40° | 14° | 27° | 0.03" | 0.2" |
| 1999 | 53° | 24° | 39° | — | — |
| 1998 | 52° | 31° | 41° | — | — |
| 1997 | 41° | 12° | 27° | — | — |
| 1996 | 51° | 6° | 29° | — | — |
| 1995 | 51° | 25° | 38° | — | — |
| 1994 | 55° | 33° | 44° | — | — |
| 1993 | 62° | 45° | 53° | — | — |
| 1992 | 55° | 19° | 37° | — | — |
| 1991 | 43° | 23° | 33° | — | — |
| 1990 | 27° | 0° | 13° | — | — |
| 1989coldest | 44° | -22° | 11° | — | — |
| 1988 | 32° | 11° | 21° | 1.12" | 7" |
| 1987 | 25° | 4° | 14° | 0.13" | 0.6" |
| 1986 | 40° | 18° | 29° | — | — |
| 1985 | 56° | 33° | 44° | — | — |
| 1984 | 59° | 23° | 41° | — | — |
| 1983 | 43° | 8° | 25° | — | — |
| 1982 | 36° | 10° | 23° | — | — |
| 1981 | 34° | 19° | 26° | — | — |
| 1980warmest | 69° | 44° | 57° | — | — |
| 1979 | 51° | 29° | 40° | — | — |
| 1978 | 36° | 10° | 23° | — | — |
| 1977 | 39° | 21° | 30° | — | — |
| 1976 | 60° | 32° | 46° | — | — |
| 1975 | 49° | 27° | 38° | — | — |
| 1974 | 33° | 17° | 25° | — | — |
| 1973 | 37° | 19° | 28° | — | — |
| 1972 | 58° | 22° | 40° | — | — |
| 1971 | 56° | 34° | 45° | — | — |
55 years of data from BOULDER MUNI AP