Weather on December 13
Boulder, CO
55 Years of Data
Avg High
47°F
Avg Low
24°F
Warmest
1995
53°F avg
Coldest
1985
17°F avg
About This Date
December 13th in Boulder, CO typically brings chilly winter weather, with average highs around 47°F and lows near 24°F. Over 55 years of records, the warmest December 13th was in 1995 (53°F average), while the coldest was 1985 (17°F) — a 36°F range across recorded history. Precipitation has occurred on 11% of recorded December 13th dates, with snow falling 9% of the time (heaviest snowfall: 4.5"). 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 13th in Boulder, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 32° | 47° | — | — |
| 2024 | 50° | 23° | 37° | — | — |
| 2023 | 34° | 30° | 32° | — | — |
| 2022 | 30° | 25° | 28° | — | — |
| 2021 | 55° | 30° | 43° | — | — |
| 2020 | 32° | 14° | 23° | — | — |
| 2019 | 46° | 32° | 39° | — | — |
| 2018 | 45° | 25° | 35° | — | — |
| 2017 | 59° | 42° | 51° | — | — |
| 2016 | 46° | 28° | 37° | — | — |
| 2015 | 44° | 19° | 32° | — | — |
| 2014 | 59° | 38° | 48° | — | — |
| 2013 | 51° | 25° | 38° | — | — |
| 2012 | 52° | 27° | 39° | — | — |
| 2011 | 43° | 15° | 29° | — | — |
| 2010 | 66° | 33° | 50° | — | — |
| 2009 | 51° | 32° | 42° | 0.03" | — |
| 2008 | 54° | 33° | 43° | — | — |
| 2007 | 43° | 16° | 29° | — | — |
| 2006 | 57° | 35° | 46° | — | — |
| 2005 | 51° | 29° | 40° | — | — |
| 2004 | 41° | 24° | 33° | — | — |
| 2003 | 48° | 17° | 33° | — | — |
| 2002 | 57° | 26° | 42° | — | — |
| 2001 | 41° | 12° | 27° | — | — |
| 2000 | 30° | 8° | 19° | — | — |
| 1999 | 53° | 23° | 38° | — | — |
| 1998 | 52° | 25° | 38° | — | — |
| 1997 | 57° | 26° | 42° | — | — |
| 1996 | 54° | 31° | 42° | — | — |
| 1995warmest | 62° | 44° | 53° | — | — |
| 1994 | 43° | 19° | 31° | — | — |
| 1993 | 44° | 25° | 34° | — | — |
| 1992 | 28° | 16° | 22° | 0.69" | 4.1" |
| 1991 | 44° | 29° | 36° | — | — |
| 1990 | 36° | 27° | 31° | 0.05" | 0.7" |
| 1989 | 36° | 7° | 21° | — | — |
| 1988 | 63° | 25° | 44° | — | — |
| 1987 | 26° | 16° | 21° | 0.76" | 4.5" |
| 1986 | 52° | 19° | 35° | — | — |
| 1985coldest | 34° | 1° | 17° | — | — |
| 1984 | 25° | 16° | 20° | 0.84" | 4" |
| 1983 | 40° | 24° | 32° | — | — |
| 1982 | 56° | 26° | 41° | — | — |
| 1981 | 45° | 28° | 36° | — | — |
| 1980 | 54° | 22° | 38° | — | — |
| 1979 | 39° | 18° | 28° | — | — |
| 1978 | 57° | 18° | 37° | — | — |
| 1977 | 56° | 26° | 41° | — | — |
| 1976 | 59° | 23° | 41° | — | — |
| 1975 | 49° | 25° | 37° | 0.08" | 0.3" |
| 1974 | 46° | 18° | 32° | — | — |
| 1973 | 54° | 27° | 40° | — | — |
| 1972 | 39° | 4° | 21° | — | — |
| 1971 | 36° | 20° | 28° | — | — |
55 years of data from BOULDER MUNI AP