Weather on October 25
Boulder, CO
55 Years of Data
Avg High
63°F
Avg Low
35°F
Warmest
2017
63°F avg
Coldest
2020
19°F avg
About This Date
October 25th in Boulder, CO typically brings mild fall weather, with average highs around 63°F and lows near 35°F — a 28°F daily swing. Over 55 years of records, the warmest October 25th was in 2017 (63°F average), while the coldest was 2020 (19°F) — a 44°F range across recorded history. Precipitation has occurred on 22% of recorded October 25th dates, with snow falling 7% of the time (heaviest snowfall: 22.1"). The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
Planning for October 25th in Boulder, CO? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 41° | 56° | — | — |
| 2024 | 61° | 36° | 48° | — | — |
| 2023 | 63° | 37° | 50° | — | — |
| 2022 | 63° | 41° | 52° | — | — |
| 2021 | 70° | 37° | 53° | — | — |
| 2020coldest | 28° | 10° | 19° | 0.15" | — |
| 2019 | 63° | 30° | 47° | — | — |
| 2018 | 66° | 45° | 55° | — | — |
| 2017warmest | 82° | 45° | 63° | — | — |
| 2016 | 72° | 48° | 60° | — | — |
| 2015 | 69° | 36° | 52° | — | — |
| 2014 | 78° | 44° | 61° | — | — |
| 2013 | 68° | 33° | 51° | — | — |
| 2012 | 41° | 27° | 34° | 1.68" | 4.9" |
| 2011 | 71° | 41° | 56° | 0.15" | — |
| 2010 | 66° | 41° | 54° | 0.03" | — |
| 2009 | 51° | 31° | 41° | 0.38" | 1.5" |
| 2008 | 71° | 39° | 55° | — | — |
| 2007 | 78° | 41° | 60° | — | — |
| 2006 | 64° | 39° | 52° | — | — |
| 2005 | 70° | 40° | 55° | — | — |
| 2004 | 54° | 31° | 42° | — | — |
| 2003 | 51° | 29° | 40° | — | — |
| 2002 | 56° | 28° | 42° | — | — |
| 2001 | 57° | 25° | 41° | — | — |
| 2000 | 65° | 34° | 49° | — | — |
| 1999 | 69° | 40° | 54° | — | — |
| 1998 | 65° | 40° | 52° | — | — |
| 1997 | 33° | 20° | 26° | 3.48" | 22.1" |
| 1996 | 55° | 41° | 48° | — | — |
| 1995 | 62° | 28° | 45° | — | — |
| 1994 | 63° | 27° | 45° | — | — |
| 1993 | 70° | 36° | 53° | — | — |
| 1992 | 69° | 45° | 57° | 0.28" | — |
| 1991 | 52° | 30° | 41° | 0.03" | — |
| 1990 | 74° | 42° | 58° | — | — |
| 1989 | 74° | 30° | 52° | — | — |
| 1988 | 57° | 35° | 46° | — | — |
| 1987 | 67° | 38° | 52° | — | — |
| 1986 | 67° | 39° | 53° | — | — |
| 1985 | 77° | 46° | 62° | — | — |
| 1984 | 55° | 27° | 41° | — | — |
| 1983 | 69° | 26° | 48° | — | — |
| 1982 | 68° | 52° | 60° | 0.1" | — |
| 1981 | 54° | 24° | 39° | 0.61" | 2" |
| 1980 | 62° | 32° | 47° | — | — |
| 1979 | 72° | 37° | 54° | — | — |
| 1978 | 63° | 33° | 48° | 1.14" | — |
| 1977 | 76° | 40° | 58° | — | — |
| 1976 | 64° | 31° | 47° | — | — |
| 1975 | 47° | 20° | 33° | — | — |
| 1974 | 58° | 42° | 50° | 0.2" | — |
| 1973 | 67° | 32° | 49° | — | — |
| 1972 | 64° | 30° | 47° | — | — |
| 1971 | 69° | 38° | 53° | — | — |
55 years of data from BOULDER MUNI AP