Weather on October 20
Denver, CO
55 Years of Data
Avg High
65°F
Avg Low
36°F
Warmest
2003
67°F avg
Coldest
1984
30°F avg
About This Date
October 20th in Denver, CO typically brings mild fall weather, with average highs around 65°F and lows near 36°F — a 29°F daily swing. Over 55 years of records, the warmest October 20th was in 2003 (67°F average), while the coldest was 1984 (30°F) — a 37°F range across recorded history. Precipitation has occurred on 5% of recorded October 20th dates, with snow falling 2% of the time. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for October 20th 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 | 79° | 28° | 53° | — | — |
| 2024 | 59° | 41° | 50° | — | — |
| 2023 | 78° | 46° | 62° | — | — |
| 2022 | 71° | 40° | 55° | — | — |
| 2021 | 59° | 28° | 44° | — | — |
| 2020 | 64° | 40° | 52° | — | — |
| 2019 | 62° | 37° | 50° | — | — |
| 2018 | 67° | 37° | 52° | — | — |
| 2017 | 73° | 43° | 58° | — | — |
| 2016 | 58° | 27° | 42° | — | — |
| 2015 | 74° | 40° | 57° | — | — |
| 2014 | 72° | 43° | 57° | — | — |
| 2013 | 64° | 44° | 54° | — | — |
| 2012 | 68° | 45° | 56° | — | — |
| 2011 | 60° | 29° | 44° | — | — |
| 2010 | 71° | 33° | 52° | — | — |
| 2009 | 79° | 38° | 58° | — | — |
| 2008 | 78° | 40° | 59° | — | — |
| 2007 | 77° | 40° | 58° | — | — |
| 2006 | 50° | 32° | 41° | — | — |
| 2005 | 59° | 36° | 47° | — | — |
| 2004 | 64° | 36° | 50° | — | — |
| 2003warmest | 83° | 52° | 67° | — | — |
| 2002 | 68° | 28° | 48° | — | — |
| 2001 | 72° | 40° | 56° | — | — |
| 2000 | 68° | 42° | 55° | — | — |
| 1999 | 55° | 27° | 41° | — | — |
| 1998 | 59° | 30° | 45° | — | — |
| 1997 | 56° | 34° | 45° | — | — |
| 1996 | 75° | 30° | 53° | — | — |
| 1995 | 54° | 24° | 39° | — | — |
| 1994 | 61° | 34° | 47° | — | — |
| 1993 | 60° | 38° | 49° | 0.13" | — |
| 1992 | 77° | 38° | 57° | — | — |
| 1991 | 67° | 33° | 50° | — | — |
| 1990 | 76° | 29° | 52° | 0.71" | 0.5" |
| 1989 | 60° | 25° | 42° | — | — |
| 1988 | 68° | 39° | 54° | — | — |
| 1987 | 37° | 27° | 32° | — | — |
| 1986 | 57° | 41° | 49° | 0.25" | — |
| 1985 | 67° | 33° | 50° | — | — |
| 1984coldest | 40° | 21° | 30° | — | — |
| 1983 | 57° | 31° | 44° | — | — |
| 1982 | 40° | 25° | 32° | — | — |
| 1981 | 72° | 33° | 52° | — | — |
| 1980 | 64° | 37° | 51° | — | — |
| 1979 | 76° | 42° | 59° | — | — |
| 1978 | 76° | 46° | 61° | — | — |
| 1977 | 77° | 49° | 63° | — | — |
| 1976 | 50° | 27° | 38° | — | — |
| 1975 | 77° | 43° | 60° | — | — |
| 1974 | 74° | 43° | 58° | — | — |
| 1973 | 77° | 49° | 63° | — | — |
| 1972 | 44° | 32° | 38° | — | — |
| 1971 | 63° | 32° | 47° | — | — |
55 years of data from LAKEWOOD