Weather on October 17
Denver, CO
55 Years of Data
Avg High
67°F
Avg Low
36°F
Warmest
1991
65°F avg
Coldest
1999
27°F avg
About This Date
October 17th in Denver, CO typically brings mild fall weather, with average highs around 67°F and lows near 36°F — a 31°F daily swing. Over 55 years of records, the warmest October 17th was in 1991 (65°F average), while the coldest was 1999 (27°F) — a 38°F range across recorded history. Precipitation has occurred on 15% of recorded October 17th dates, with snow falling 4% of the time (heaviest snowfall: 3.6"). The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.
Planning for October 17th in Denver, CO? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 39° | 55° | — | — |
| 2024 | 83° | 38° | 60° | — | — |
| 2023 | 73° | 39° | 56° | — | — |
| 2022 | 59° | 32° | 46° | — | — |
| 2021 | 77° | 33° | 55° | — | — |
| 2020 | 72° | 28° | 50° | — | — |
| 2019 | 79° | 35° | 57° | — | — |
| 2018 | 55° | 28° | 42° | — | — |
| 2017 | 79° | 40° | 59° | — | — |
| 2016 | 88° | 39° | 63° | — | — |
| 2015 | 68° | 40° | 54° | — | — |
| 2014 | 71° | 38° | 54° | — | — |
| 2013 | 53° | 27° | 40° | — | — |
| 2012 | 79° | 43° | 61° | — | — |
| 2011 | 67° | 40° | 53° | — | — |
| 2010 | 67° | 37° | 52° | — | — |
| 2009 | 63° | 31° | 47° | — | — |
| 2008 | 72° | 35° | 53° | — | — |
| 2007 | 70° | 32° | 51° | — | — |
| 2006 | 68° | 42° | 55° | — | — |
| 2005 | 78° | 42° | 60° | — | — |
| 2004 | 75° | 31° | 53° | — | — |
| 2003 | 72° | 37° | 54° | — | — |
| 2002 | 57° | 28° | 43° | — | — |
| 2001 | 74° | 27° | 50° | — | — |
| 2000 | 67° | 35° | 51° | — | — |
| 1999coldest | 34° | 21° | 27° | 0.18" | 3.6" |
| 1998 | 52° | 32° | 42° | 0.03" | — |
| 1997 | 77° | 41° | 59° | — | — |
| 1996 | 49° | 30° | 39° | — | — |
| 1995 | 71° | 42° | 57° | — | — |
| 1994 | 46° | 36° | 41° | 1.07" | — |
| 1993 | 48° | 43° | 45° | 2.69" | — |
| 1992 | 72° | 35° | 53° | — | — |
| 1991warmest | 85° | 46° | 65° | — | — |
| 1990 | 54° | 32° | 43° | 0.03" | — |
| 1989 | 37° | 31° | 34° | 0.05" | 0.3" |
| 1988 | 73° | 49° | 61° | — | — |
| 1987 | 71° | 32° | 52° | — | — |
| 1986 | 74° | 40° | 57° | — | — |
| 1985 | 60° | 40° | 50° | — | — |
| 1984 | 38° | 21° | 29° | — | — |
| 1983 | 70° | 34° | 52° | — | — |
| 1982 | 73° | 40° | 56° | — | — |
| 1981 | 55° | 35° | 45° | — | — |
| 1980 | 58° | 32° | 45° | — | — |
| 1979 | 63° | 40° | 51° | — | — |
| 1978 | 67° | 45° | 56° | — | — |
| 1977 | 74° | 38° | 56° | — | — |
| 1976 | 73° | 31° | 52° | 0.1" | — |
| 1975 | 67° | 29° | 48° | — | — |
| 1974 | 80° | 41° | 61° | — | — |
| 1973 | 80° | 43° | 61° | — | — |
| 1972 | 75° | 45° | 60° | — | — |
| 1971 | 67° | 45° | 56° | 0.43" | — |
55 years of data from DENVER-STAPLETON