Weather on January 27
Boulder, CO
55 Years of Data
Avg High
47°F
Avg Low
22°F
Warmest
1987
57°F avg
Coldest
1980
1°F avg
About This Date
January 27th in Boulder, CO typically brings chilly winter weather, with average highs around 47°F and lows near 22°F — a 25°F daily swing. Over 56 years of records, the warmest January 27th was in 1987 (57°F average), while the coldest was 1980 (1°F) — a 56°F range across recorded history. Precipitation has occurred on 21% of recorded January 27th dates, with snow falling 20% of the time (heaviest snowfall: 5.7"). The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
Planning for January 27th in Boulder, CO? Bring layers as temperatures can vary throughout the day. Check road conditions if traveling, as snow is possible.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 50° | 32° | 41° | — | — |
| 2025 | 43° | 10° | 26° | — | — |
| 2024 | 52° | 28° | 40° | — | — |
| 2023 | 41° | 32° | 37° | — | — |
| 2022 | 32° | 14° | 23° | — | — |
| 2021 | 27° | 14° | 21° | 0.15" | — |
| 2020 | 43° | 32° | 37° | — | — |
| 2019 | 54° | 37° | 45° | — | — |
| 2018 | 45° | 20° | 32° | — | — |
| 2017 | 40° | 10° | 25° | — | — |
| 2016 | 56° | 23° | 39° | — | — |
| 2015 | 72° | 42° | 57° | — | — |
| 2014 | 38° | 13° | 25° | 0.61" | 5.7" |
| 2013 | 56° | 32° | 44° | 0.03" | — |
| 2012 | 48° | 26° | 37° | 0.1" | 0.6" |
| 2011 | 58° | 37° | 47° | — | — |
| 2010 | 41° | 22° | 31° | — | — |
| 2009 | 29° | -6° | 12° | 0.03" | 0.2" |
| 2008 | 64° | 27° | 45° | — | — |
| 2007 | 31° | 14° | 22° | 0.33" | 3.9" |
| 2006 | 50° | 30° | 40° | — | — |
| 2005 | 47° | 27° | 37° | — | — |
| 2004 | 47° | 14° | 30° | — | — |
| 2003 | 68° | 46° | 57° | — | — |
| 2002 | 60° | 38° | 49° | — | — |
| 2001 | 33° | 18° | 25° | 0.05" | 0.2" |
| 2000 | 35° | 27° | 31° | — | 1.8" |
| 1999 | 42° | 24° | 33° | — | — |
| 1998 | 57° | 30° | 44° | — | — |
| 1997 | 49° | 15° | 32° | 0.15" | 1.4" |
| 1996 | 28° | 4° | 16° | — | — |
| 1995 | 48° | 33° | 41° | — | — |
| 1994 | 40° | 19° | 29° | 0.1" | 0.5" |
| 1993 | 59° | 29° | 44° | — | — |
| 1992 | 45° | 25° | 35° | — | — |
| 1991 | 42° | 19° | 31° | — | — |
| 1990 | 52° | 10° | 31° | — | — |
| 1989 | 59° | 20° | 39° | — | — |
| 1988 | 62° | 23° | 43° | — | — |
| 1987warmest | 65° | 49° | 57° | — | — |
| 1986 | 68° | 22° | 45° | — | — |
| 1985 | 35° | 24° | 30° | — | — |
| 1984 | 49° | 21° | 35° | — | — |
| 1983 | 35° | 24° | 30° | — | — |
| 1982 | 65° | 37° | 51° | — | — |
| 1981 | 54° | 21° | 37° | — | — |
| 1980coldest | 4° | -2° | 1° | — | — |
| 1979 | 29° | 1° | 15° | — | — |
| 1978 | 41° | 12° | 27° | — | — |
| 1977 | 53° | 25° | 39° | — | — |
| 1976 | 49° | 16° | 32° | — | — |
| 1975 | 57° | 18° | 37° | 0.05" | 1.1" |
| 1974 | 44° | 24° | 34° | 0.03" | 0.2" |
| 1973 | 36° | 21° | 28° | 0.48" | 3.2" |
| 1972 | 35° | -1° | 17° | — | — |
| 1971 | 58° | 28° | 43° | — | — |
56 years of data from BOULDER MUNI AP