Weather on December 29
Boulder, CO
55 Years of Data
Avg High
43°F
Avg Low
20°F
Warmest
1996
49°F avg
Coldest
1990
2°F avg
About This Date
December 29th in Boulder, CO typically brings chilly winter weather, with average highs around 43°F and lows near 20°F. Over 55 years of records, the warmest December 29th was in 1996 (49°F average), while the coldest was 1990 (2°F) — a 47°F range across recorded history. Precipitation has occurred on 11% of recorded December 29th dates, with snow falling 9% of the time (heaviest snowfall: 12.5"). The last decade has been 7.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 7.7°F cooler on this date compared to 20-30 years ago.
Planning for December 29th in Boulder, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 39° | 18° | 28° | — | — |
| 2024 | 55° | 32° | 44° | — | — |
| 2023 | 55° | 28° | 42° | — | — |
| 2022 | 36° | 23° | 30° | 0.3" | — |
| 2021 | 34° | 14° | 24° | — | — |
| 2020 | 36° | 23° | 30° | — | — |
| 2019 | 34° | 18° | 26° | — | — |
| 2018 | 36° | 9° | 23° | — | — |
| 2017 | 63° | 24° | 43° | — | — |
| 2016 | 41° | 19° | 30° | — | — |
| 2015 | 27° | 9° | 18° | — | — |
| 2014 | 22° | 8° | 15° | 0.33" | 3.3" |
| 2013 | 38° | 12° | 25° | 0.15" | 1.5" |
| 2012 | 32° | 7° | 19° | — | — |
| 2011 | 56° | 43° | 49° | — | — |
| 2010 | 54° | 27° | 40° | — | — |
| 2009 | 40° | 16° | 28° | — | — |
| 2008 | 55° | 33° | 44° | — | — |
| 2007 | 32° | 11° | 21° | — | — |
| 2006 | 32° | 23° | 28° | 1.85" | 12.5" |
| 2005 | 56° | 38° | 47° | — | — |
| 2004 | 48° | 29° | 38° | — | — |
| 2003 | 42° | 23° | 33° | — | — |
| 2002 | 59° | 34° | 46° | — | — |
| 2001 | 32° | 20° | 26° | — | — |
| 2000 | 36° | 16° | 26° | — | — |
| 1999 | 63° | 30° | 46° | — | — |
| 1998 | 53° | 35° | 44° | — | — |
| 1997 | 52° | 32° | 42° | — | — |
| 1996warmest | 64° | 34° | 49° | — | — |
| 1995 | 44° | 23° | 34° | — | — |
| 1994 | 47° | 25° | 36° | — | — |
| 1993 | 44° | 20° | 32° | — | — |
| 1992 | 49° | 16° | 32° | — | — |
| 1991 | 52° | 31° | 41° | — | — |
| 1990coldest | 17° | -13° | 2° | 0.18" | 1.1" |
| 1989 | 46° | 11° | 28° | — | — |
| 1988 | 41° | 8° | 25° | — | — |
| 1987 | 39° | 12° | 26° | — | — |
| 1986 | 55° | 25° | 40° | — | — |
| 1985 | 56° | 21° | 38° | — | — |
| 1984 | 48° | 25° | 36° | — | — |
| 1983 | 25° | -10° | 8° | — | — |
| 1982 | 29° | 5° | 17° | — | — |
| 1981 | 33° | 12° | 23° | — | — |
| 1980 | 57° | 31° | 44° | — | — |
| 1979 | 32° | 15° | 24° | — | — |
| 1978 | 50° | 4° | 27° | — | — |
| 1977 | 40° | 25° | 32° | — | — |
| 1976 | 54° | 32° | 43° | — | — |
| 1975 | 45° | 18° | 31° | — | — |
| 1974 | 43° | 17° | 30° | — | — |
| 1973 | 38° | 22° | 30° | — | — |
| 1972 | 41° | 15° | 28° | 1.4" | 9" |
| 1971 | 44° | 22° | 33° | — | — |
55 years of data from BOULDER MUNI AP