Weather on August 15
Denver, CO
55 Years of Data
Avg High
84°F
Avg Low
56°F
Warmest
2007
78°F avg
Coldest
1979
54°F avg
About This Date
August 15th in Denver, CO typically brings warm summer weather, with average highs around 84°F and lows near 56°F — a 28°F daily swing. Over 54 years of records, the warmest August 15th was in 2007 (78°F average), while the coldest was 1979 (54°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 28% of August 15th dates historically, with the wettest August 15th recording 1.68" of rain. The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
Planning for August 15th in Denver, CO? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 99° | 56° | 77° | — | — |
| 2024 | 88° | 57° | 72° | 0.03" | — |
| 2023 | 76° | 56° | 66° | — | — |
| 2022 | 85° | 61° | 73° | — | — |
| 2021 | 91° | 63° | 77° | — | — |
| 2020 | 89° | 55° | 72° | — | — |
| 2019 | 87° | 58° | 72° | — | — |
| 2018 | 82° | 58° | 70° | 0.48" | — |
| 2017 | 86° | 56° | 71° | — | — |
| 2016 | 87° | 59° | 73° | — | — |
| 2015 | 91° | 64° | 78° | — | — |
| 2014 | 81° | 60° | 70° | 0.08" | — |
| 2013 | 79° | 57° | 68° | — | — |
| 2012 | 91° | 59° | 75° | 0.08" | — |
| 2011 | 86° | 62° | 74° | — | — |
| 2010 | 80° | 51° | 66° | — | — |
| 2009 | 81° | 54° | 67° | — | — |
| 2008 | 80° | 46° | 63° | 1.09" | — |
| 2007warmest | 93° | 62° | 78° | 0.08" | — |
| 2006 | 82° | 55° | 69° | — | — |
| 2005 | 76° | 50° | 63° | — | — |
| 2004 | 84° | 54° | 69° | — | — |
| 2003 | 88° | 59° | 73° | — | — |
| 2002 | 93° | 52° | 72° | — | — |
| 2001 | 74° | 58° | 66° | 0.61" | — |
| 2000 | 92° | — | — | — | — |
| 1999 | 88° | 56° | 72° | — | — |
| 1998 | 85° | 53° | 69° | — | — |
| 1997 | 90° | 52° | 71° | — | — |
| 1996 | 83° | 55° | 69° | — | — |
| 1995 | 76° | 53° | 64° | 0.05" | — |
| 1994 | 82° | 55° | 69° | — | — |
| 1993 | 82° | 53° | 68° | 0.03" | — |
| 1992 | 85° | 53° | 69° | 0.03" | — |
| 1991 | 87° | 59° | 73° | — | — |
| 1990 | 80° | 55° | 68° | 0.1" | — |
| 1989 | 84° | 50° | 67° | — | — |
| 1988 | 93° | 56° | 74° | — | — |
| 1987 | 85° | 51° | 68° | — | — |
| 1986 | 78° | 51° | 65° | — | — |
| 1985 | 72° | 46° | 59° | — | — |
| 1984 | 89° | 60° | 75° | — | — |
| 1983 | 87° | 58° | 72° | 0.94" | — |
| 1982 | 85° | 57° | 71° | — | — |
| 1981 | 80° | 60° | 70° | — | — |
| 1980 | 77° | 60° | 69° | 1.4" | — |
| 1979coldest | 55° | 54° | 54° | 1.68" | — |
| 1978 | 79° | 49° | 64° | — | — |
| 1977 | 78° | 67° | 72° | — | — |
| 1976 | 87° | 49° | 68° | — | — |
| 1975 | 72° | 49° | 60° | 0.03" | — |
| 1973 | 91° | 60° | 76° | — | — |
| 1972 | 89° | 63° | 76° | — | — |
| 1971 | 88° | 55° | 71° | — | — |
54 years of data from LAKEWOOD