Weather on August 20
Denver, CO
55 Years of Data
Avg High
87°F
Avg Low
55°F
Warmest
1973
80°F avg
Coldest
2004
56°F avg
About This Date
August 20th in Denver, CO typically brings warm summer weather, with average highs around 87°F and lows near 55°F — a 32°F daily swing. Over 55 years of records, the warmest August 20th was in 1973 (80°F average), while the coldest was 2004 (56°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 25% of August 20th dates historically, with the wettest August 20th recording 1.17" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 20th in Denver, CO? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 96° | 57° | 77° | — | — |
| 2024 | 82° | 58° | 70° | 0.15" | — |
| 2023 | 97° | 57° | 77° | 0.03" | — |
| 2022 | 87° | 56° | 71° | — | — |
| 2021 | 82° | 50° | 66° | 1.17" | — |
| 2020 | 94° | 59° | 76° | — | — |
| 2019 | 99° | 60° | 79° | — | — |
| 2018 | 76° | 48° | 62° | — | — |
| 2017 | 98° | 59° | 79° | — | — |
| 2016 | 83° | 46° | 64° | 0.18" | — |
| 2015 | 70° | 51° | 60° | — | — |
| 2014 | 93° | 58° | 75° | — | — |
| 2013 | 98° | 60° | 79° | — | — |
| 2012 | 84° | 54° | 69° | — | — |
| 2011 | 85° | 56° | 70° | 0.18" | — |
| 2010 | 83° | 57° | 70° | 0.66" | — |
| 2009 | 84° | 51° | 68° | — | — |
| 2008 | 88° | 50° | 69° | — | — |
| 2007 | 92° | 62° | 77° | — | — |
| 2006 | 79° | 55° | 67° | 0.86" | — |
| 2005 | 91° | 53° | 72° | — | — |
| 2004coldest | 65° | 48° | 56° | 0.03" | — |
| 2003 | 90° | 54° | 72° | — | — |
| 2002 | 91° | 59° | 75° | — | — |
| 2001 | 93° | 64° | 79° | 0.13" | — |
| 2000 | 90° | 59° | 74° | — | — |
| 1999 | 87° | 57° | 72° | — | — |
| 1998 | 87° | 61° | 74° | — | — |
| 1997 | 85° | 56° | 70° | — | — |
| 1996 | 88° | 48° | 68° | — | — |
| 1995 | 87° | 53° | 70° | — | — |
| 1994 | 83° | 53° | 68° | — | — |
| 1993 | 79° | 57° | 68° | 0.08" | — |
| 1992 | 93° | 52° | 72° | — | — |
| 1991 | 83° | 52° | 67° | — | — |
| 1990 | 84° | 53° | 69° | 0.03" | — |
| 1989 | 84° | 51° | 68° | — | — |
| 1988 | 96° | 56° | 76° | — | — |
| 1987 | 95° | 59° | 77° | — | — |
| 1986 | 75° | 58° | 66° | — | — |
| 1985 | 91° | 51° | 71° | — | — |
| 1984 | 83° | 62° | 72° | — | — |
| 1983 | 87° | 56° | 71° | 0.1" | — |
| 1982 | 83° | 60° | 71° | — | — |
| 1981 | 89° | 52° | 70° | — | — |
| 1980 | 80° | 49° | 64° | — | — |
| 1979 | 77° | 46° | 62° | 0.94" | — |
| 1978 | 88° | 48° | 68° | — | — |
| 1977 | 85° | 52° | 68° | 0.1" | — |
| 1976 | 88° | 54° | 71° | — | — |
| 1975 | 87° | 55° | 71° | — | — |
| 1974 | 90° | 60° | 75° | — | — |
| 1973warmest | 94° | 67° | 80° | — | — |
| 1972 | 85° | 58° | 71° | — | — |
| 1971 | 89° | 56° | 72° | — | — |
55 years of data from NORTHGLENN