Weather on October 17
Denver, CO
55 Years of Data
Avg High
66°F
Avg Low
36°F
Warmest
1991
70°F avg
Coldest
1999
24°F avg
About This Date
October 17th in Denver, CO typically brings mild fall weather, with average highs around 66°F and lows near 36°F — a 30°F daily swing. Over 55 years of records, the warmest October 17th was in 1991 (70°F average), while the coldest was 1999 (24°F) — a 46°F range across recorded history. Rain or other precipitation has occurred on about 4% of October 17th dates historically, with the wettest October 17th recording 0.76" of rain. The last decade has been 7.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.1°F warmer on this date compared to 20-30 years ago.
Planning for October 17th in Denver, CO? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 38° | 55° | — | — |
| 2024 | 80° | 41° | 61° | — | — |
| 2023 | 73° | 42° | 58° | — | — |
| 2022 | 55° | 34° | 44° | — | — |
| 2021 | 68° | 31° | 49° | — | — |
| 2020 | 71° | 32° | 52° | — | — |
| 2019 | 78° | 39° | 59° | — | — |
| 2018 | 54° | 32° | 43° | — | — |
| 2017 | 73° | 41° | 57° | — | — |
| 2016 | 84° | 43° | 63° | — | — |
| 2015 | 66° | 38° | 52° | — | — |
| 2014 | 70° | 37° | 53° | — | — |
| 2013 | 52° | 27° | 39° | — | — |
| 2012 | 77° | 44° | 61° | — | — |
| 2011 | 82° | 38° | 60° | — | — |
| 2010 | 69° | 35° | 52° | — | — |
| 2009 | 71° | 35° | 53° | — | — |
| 2008 | 77° | 34° | 55° | — | — |
| 2007 | 69° | 36° | 52° | — | — |
| 2006 | 70° | 38° | 54° | — | — |
| 2005 | 79° | 39° | 59° | — | — |
| 2004 | 71° | 34° | 52° | — | — |
| 2003 | 72° | 37° | 54° | — | — |
| 2002 | 56° | 26° | 41° | — | — |
| 2001 | 79° | 26° | 52° | — | — |
| 2000 | 62° | 36° | 49° | — | — |
| 1999coldest | 33° | 15° | 24° | — | — |
| 1998 | 58° | 29° | 43° | — | — |
| 1997 | 68° | 34° | 51° | — | — |
| 1996 | 63° | 27° | 45° | — | — |
| 1995 | 80° | 42° | 61° | — | — |
| 1994 | 56° | 33° | 44° | 0.76" | — |
| 1993 | 62° | 41° | 52° | — | — |
| 1992 | 48° | 26° | 37° | — | — |
| 1991warmest | 88° | 52° | 70° | — | — |
| 1990 | 80° | 37° | 59° | — | — |
| 1989 | 33° | 28° | 31° | — | — |
| 1988 | 75° | 38° | 56° | — | — |
| 1987 | 64° | 32° | 48° | — | — |
| 1986 | 71° | 43° | 57° | — | — |
| 1985 | 69° | 40° | 54° | — | — |
| 1984 | 40° | 18° | 29° | — | — |
| 1983 | 61° | 32° | 46° | — | — |
| 1982 | 70° | 40° | 55° | — | — |
| 1981 | 54° | 33° | 43° | — | — |
| 1980 | 45° | 33° | 39° | — | — |
| 1979 | 65° | 38° | 51° | — | — |
| 1978 | 72° | 50° | 61° | — | — |
| 1977 | 76° | 42° | 59° | — | — |
| 1976 | 51° | 28° | 40° | — | — |
| 1975 | 57° | 32° | 45° | — | — |
| 1974 | 73° | 47° | 60° | — | — |
| 1973 | 67° | 43° | 55° | — | — |
| 1972 | 77° | 48° | 63° | — | — |
| 1971 | 59° | 38° | 48° | 0.13" | — |
55 years of data from LAKEWOOD