Weather on October 20
Denver, CO
55 Years of Data
Avg High
67°F
Avg Low
34°F
Warmest
2003
69°F avg
Coldest
1984
31°F avg
About This Date
October 20th in Denver, CO typically brings mild fall weather, with average highs around 67°F and lows near 34°F — a 33°F daily swing. Over 55 years of records, the warmest October 20th was in 2003 (69°F average), while the coldest was 1984 (31°F) — a 38°F range across recorded history. Precipitation has occurred on 7% of recorded October 20th dates, with snow falling 2% of the time. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°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
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 31° | 57° | — | — |
| 2024 | 62° | 38° | 50° | — | — |
| 2023 | 83° | 40° | 61° | — | — |
| 2022 | 81° | 40° | 60° | — | — |
| 2021 | 59° | 26° | 43° | — | — |
| 2020 | 65° | 40° | 52° | — | — |
| 2019 | 65° | 39° | 52° | — | — |
| 2018 | 70° | 34° | 52° | — | — |
| 2017 | 77° | 39° | 58° | — | — |
| 2016 | 64° | 33° | 49° | — | — |
| 2015 | 75° | 46° | 61° | — | — |
| 2014 | 75° | 42° | 59° | — | — |
| 2013 | 67° | 35° | 51° | — | — |
| 2012 | 74° | 33° | 53° | — | — |
| 2011 | 60° | 29° | 44° | — | — |
| 2010 | 70° | 37° | 53° | — | — |
| 2009 | 75° | 34° | 54° | — | — |
| 2008 | 78° | 45° | 61° | — | — |
| 2007 | 76° | 46° | 61° | — | — |
| 2006 | 58° | 27° | 42° | — | — |
| 2005 | 49° | 40° | 44° | — | — |
| 2004 | 68° | 40° | 54° | — | — |
| 2003warmest | 91° | 46° | 69° | — | — |
| 2002 | 76° | 31° | 53° | — | — |
| 2001 | 63° | 39° | 51° | — | — |
| 2000 | 70° | 36° | 53° | — | — |
| 1999 | 70° | 31° | 50° | — | — |
| 1998 | 62° | 27° | 44° | — | — |
| 1997 | 51° | 38° | 44° | 0.08" | — |
| 1996 | 43° | 32° | 37° | — | — |
| 1995 | 65° | 24° | 44° | — | — |
| 1994 | 66° | 33° | 50° | — | — |
| 1993 | 48° | 35° | 42° | 0.05" | — |
| 1992 | 79° | 37° | 58° | — | — |
| 1991 | 66° | 32° | 49° | — | — |
| 1990 | 39° | 30° | 35° | 0.53" | 1" |
| 1989 | 75° | 30° | 53° | — | — |
| 1988 | 68° | 33° | 51° | — | — |
| 1987 | 50° | 26° | 38° | — | — |
| 1986 | 62° | 42° | 52° | 0.2" | — |
| 1985 | 70° | 31° | 50° | — | — |
| 1984coldest | 35° | 27° | 31° | — | — |
| 1983 | 63° | 28° | 45° | — | — |
| 1982 | 57° | 25° | 41° | — | — |
| 1981 | 77° | 33° | 55° | — | — |
| 1980 | 70° | 28° | 49° | — | — |
| 1979 | 72° | 38° | 55° | — | — |
| 1978 | 78° | 40° | 59° | — | — |
| 1977 | 81° | 37° | 59° | — | — |
| 1976 | 59° | 20° | 39° | — | — |
| 1975 | 81° | 32° | 56° | — | — |
| 1974 | 76° | 37° | 56° | — | — |
| 1973 | 77° | 35° | 56° | — | — |
| 1972 | 63° | 36° | 49° | — | — |
| 1971 | 66° | 30° | 48° | — | — |
55 years of data from NORTHGLENN