Weather on December 30
Boulder, CO
55 Years of Data
Avg High
45°F
Avg Low
20°F
Warmest
1980
53°F avg
Coldest
2014
1°F avg
About This Date
December 30th in Boulder, CO typically brings chilly winter weather, with average highs around 45°F and lows near 20°F — a 25°F daily swing. Over 55 years of records, the warmest December 30th was in 1980 (53°F average), while the coldest was 2014 (1°F) — a 52°F range across recorded history. Precipitation has occurred on 11% of recorded December 30th dates, with snow falling 13% of the time (heaviest snowfall: 6.2"). The last decade has been 4.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.9°F cooler on this date compared to 20-30 years ago.
Planning for December 30th in Boulder, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 52° | 23° | 37° | — | — |
| 2024 | 46° | 32° | 39° | — | — |
| 2023 | 54° | 30° | 42° | — | — |
| 2022 | 36° | 18° | 27° | — | — |
| 2021 | 45° | 16° | 31° | — | — |
| 2020 | 36° | 14° | 25° | — | — |
| 2019 | 36° | 16° | 26° | — | — |
| 2018 | 50° | 19° | 35° | — | — |
| 2017 | 53° | 11° | 32° | — | 0.1" |
| 2016 | 67° | 24° | 45° | — | — |
| 2015 | 30° | 7° | 18° | — | — |
| 2014coldest | 8° | -6° | 1° | 0.33" | 2" |
| 2013 | 50° | 22° | 36° | — | — |
| 2012 | 40° | 14° | 27° | — | — |
| 2011 | 61° | 38° | 49° | — | — |
| 2010 | 45° | 13° | 29° | 0.71" | 6.2" |
| 2009 | 36° | 19° | 27° | — | — |
| 2008 | 56° | 36° | 46° | — | — |
| 2007 | 41° | 20° | 30° | — | — |
| 2006 | 37° | 13° | 25° | — | — |
| 2005 | 48° | 23° | 36° | — | — |
| 2004 | 50° | 34° | 42° | — | — |
| 2003 | 53° | 26° | 40° | — | — |
| 2002 | 53° | 25° | 39° | — | — |
| 2001 | 25° | 19° | 22° | — | — |
| 2000 | 35° | 18° | 26° | — | — |
| 1999 | 58° | 27° | 42° | — | — |
| 1998 | 58° | 32° | 45° | — | — |
| 1997 | 53° | 37° | 45° | — | — |
| 1996 | 60° | 42° | 51° | — | — |
| 1995 | 48° | 22° | 35° | — | — |
| 1994 | 42° | 23° | 33° | 0.18" | 0.4" |
| 1993 | 49° | 23° | 36° | — | — |
| 1992 | 51° | 28° | 40° | — | — |
| 1991 | 43° | 22° | 32° | — | — |
| 1990 | 41° | -11° | 15° | 0.08" | 0.5" |
| 1989 | 34° | 8° | 21° | — | — |
| 1988 | 39° | 15° | 27° | — | — |
| 1987 | 40° | 18° | 29° | — | — |
| 1986 | 55° | 35° | 45° | — | — |
| 1985 | 56° | 32° | 44° | — | — |
| 1984 | 55° | 22° | 38° | — | — |
| 1983 | 52° | 3° | 27° | — | — |
| 1982 | 30° | 7° | 18° | — | — |
| 1981 | 53° | 20° | 36° | — | — |
| 1980warmest | 71° | 36° | 53° | — | — |
| 1979 | 44° | 13° | 28° | — | — |
| 1978 | 9° | -5° | 2° | — | — |
| 1977 | 54° | 25° | 39° | — | — |
| 1976 | 48° | 10° | 29° | 0.48" | 4.2" |
| 1975 | 58° | 29° | 43° | — | — |
| 1974 | 41° | 15° | 28° | — | — |
| 1973 | 28° | 12° | 20° | 0.3" | 2.7" |
| 1972 | 33° | 12° | 23° | — | — |
| 1971 | 37° | 23° | 30° | — | — |
55 years of data from BOULDER MUNI AP