Weather on August 9
Denver, CO
55 Years of Data
Avg High
87°F
Avg Low
57°F
Warmest
2025
81°F avg
Coldest
2001
61°F avg
About This Date
August 9th in Denver, CO typically brings warm summer weather, with average highs around 87°F and lows near 57°F — a 30°F daily swing. Over 55 years of records, the warmest August 9th was in 2025 (81°F average), while the coldest was 2001 (61°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 24% of August 9th dates historically, with the wettest August 9th recording 0.69" 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 9th in Denver, CO? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 102° | 59° | 81° | — | — |
| 2024 | 70° | 55° | 62° | 0.08" | — |
| 2023 | 87° | 51° | 69° | 0.03" | — |
| 2022 | 93° | 61° | 77° | — | — |
| 2021 | 95° | 61° | 78° | — | — |
| 2020 | 100° | 61° | 80° | — | — |
| 2019 | 85° | 63° | 74° | 0.08" | — |
| 2018 | 85° | 55° | 70° | — | — |
| 2017 | 76° | 53° | 64° | 0.41" | — |
| 2016 | 72° | 57° | 64° | — | — |
| 2015 | 88° | 58° | 73° | — | — |
| 2014 | 93° | 54° | 73° | — | — |
| 2013 | 78° | 52° | 65° | — | — |
| 2012 | 96° | 58° | 77° | — | — |
| 2011 | 92° | 57° | 74° | — | — |
| 2010 | 88° | 65° | 76° | — | — |
| 2009 | 85° | 58° | 71° | — | — |
| 2008 | 90° | 61° | 75° | — | — |
| 2007 | 95° | 61° | 78° | — | — |
| 2006 | 95° | 64° | 80° | — | — |
| 2005 | 97° | 61° | 79° | — | — |
| 2004 | 84° | 57° | 71° | — | — |
| 2003 | 95° | 59° | 77° | — | — |
| 2002 | 92° | 54° | 73° | — | — |
| 2001coldest | 66° | 56° | 61° | 0.69" | — |
| 2000 | 100° | 59° | 80° | — | — |
| 1999 | 91° | 57° | 74° | — | — |
| 1998 | 83° | 60° | 71° | 0.05" | — |
| 1997 | 76° | 57° | 66° | 0.03" | — |
| 1996 | 84° | 53° | 69° | — | — |
| 1995 | 78° | 55° | 67° | — | — |
| 1994 | 88° | 61° | 74° | — | — |
| 1993 | 92° | 56° | 74° | — | — |
| 1992 | 96° | 56° | 76° | — | — |
| 1991 | 83° | 55° | 69° | 0.03" | — |
| 1990 | 90° | 55° | 72° | — | — |
| 1989 | 86° | 57° | 72° | 0.3" | — |
| 1988 | 89° | 54° | 71° | — | — |
| 1987 | 83° | 55° | 69° | — | — |
| 1986 | 83° | 53° | 68° | — | — |
| 1985 | 74° | 56° | 65° | — | — |
| 1984 | 85° | 57° | 71° | — | — |
| 1983 | 94° | 59° | 76° | — | — |
| 1982 | 90° | 63° | 76° | — | — |
| 1981 | 73° | 55° | 64° | — | — |
| 1980 | 91° | 60° | 76° | — | — |
| 1979 | 84° | 61° | 72° | 0.05" | — |
| 1978 | 84° | 51° | 68° | 0.15" | — |
| 1977 | 87° | 52° | 69° | 0.05" | — |
| 1976 | 88° | 51° | 69° | — | — |
| 1975 | 91° | 52° | 71° | — | — |
| 1974 | 75° | 48° | 62° | 0.36" | — |
| 1973 | 89° | 56° | 72° | — | — |
| 1972 | 91° | 57° | 74° | — | — |
| 1971 | 89° | 54° | 71° | — | — |
55 years of data from NORTHGLENN