Weather on October 17
Denver, CO
55 Years of Data
Avg High
69°F
Avg Low
35°F
Warmest
1991
68°F avg
Coldest
1984
30°F avg
About This Date
October 17th in Denver, CO typically brings mild fall weather, with average highs around 69°F and lows near 35°F — a 34°F daily swing. Over 55 years of records, the warmest October 17th was in 1991 (68°F average), while the coldest was 1984 (30°F) — a 38°F range across recorded history. Precipitation has occurred on 9% of recorded October 17th dates, with snow falling 2% of the time. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°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
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 44° | 59° | — | — |
| 2024 | 83° | 37° | 60° | — | — |
| 2023 | 76° | 35° | 55° | — | — |
| 2022 | 59° | 32° | 46° | — | — |
| 2021 | 72° | 31° | 51° | — | — |
| 2020 | 70° | 28° | 49° | — | — |
| 2019 | 83° | 36° | 59° | — | — |
| 2018 | 60° | 27° | 43° | — | — |
| 2017 | 81° | 35° | 58° | — | — |
| 2016 | 88° | 41° | 64° | — | — |
| 2015 | 70° | 38° | 54° | — | — |
| 2014 | 71° | 37° | 54° | — | — |
| 2013 | 55° | 27° | 41° | — | — |
| 2012 | 79° | 45° | 62° | — | — |
| 2011 | 70° | 40° | 55° | — | — |
| 2010 | 65° | 38° | 51° | — | — |
| 2009 | 64° | 29° | 46° | — | — |
| 2008 | 79° | 38° | 58° | — | — |
| 2007 | 71° | 33° | 52° | — | — |
| 2006 | 74° | 38° | 56° | — | — |
| 2005 | 82° | 44° | 63° | — | — |
| 2004 | 78° | 35° | 57° | — | — |
| 2003 | 78° | 38° | 58° | — | — |
| 2002 | 74° | 29° | 51° | — | — |
| 2001 | 82° | 42° | 62° | — | — |
| 2000 | 69° | 35° | 52° | — | — |
| 1999 | 52° | 18° | 35° | — | — |
| 1998 | 58° | 34° | 46° | — | — |
| 1997 | 78° | 40° | 59° | — | — |
| 1996 | 49° | 33° | 41° | — | — |
| 1995 | 79° | 40° | 59° | — | — |
| 1994 | 45° | 33° | 39° | 1.07" | — |
| 1993 | 45° | 40° | 42° | 1.73" | — |
| 1992 | 74° | 32° | 53° | — | — |
| 1991warmest | 85° | 51° | 68° | — | — |
| 1990 | 53° | — | — | — | — |
| 1989 | 36° | 29° | 32° | 0.03" | — |
| 1988 | 73° | 25° | 49° | — | — |
| 1987 | 69° | 31° | 50° | — | — |
| 1986 | 75° | 33° | 54° | — | — |
| 1985 | 60° | 38° | 49° | — | — |
| 1984coldest | 41° | 20° | 30° | — | — |
| 1983 | 68° | 32° | 50° | — | — |
| 1982 | 73° | 36° | 54° | — | — |
| 1981 | 52° | 29° | 40° | — | — |
| 1980 | 58° | 24° | 41° | 0.03" | 0.1" |
| 1979 | 63° | 40° | 51° | — | — |
| 1978 | 66° | 38° | 52° | — | — |
| 1977 | 73° | 40° | 56° | — | — |
| 1976 | 75° | 29° | 52° | — | — |
| 1975 | 67° | 27° | 47° | — | — |
| 1974 | 80° | 39° | 60° | — | — |
| 1973 | 76° | 39° | 57° | — | — |
| 1972 | 75° | 45° | 60° | — | — |
| 1971 | 67° | 45° | 56° | 0.43" | — |
55 years of data from NORTHGLENN