Weather on August 17
Denver, CO
55 Years of Data
Avg High
86°F
Avg Low
57°F
Warmest
1995
82°F avg
Coldest
2008
53°F avg
About This Date
August 17th in Denver, CO typically brings warm summer weather, with average highs around 86°F and lows near 57°F — a 29°F daily swing. Over 54 years of records, the warmest August 17th was in 1995 (82°F average), while the coldest was 2008 (53°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 30% of August 17th dates historically, with the wettest August 17th recording 2.34" of rain. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for August 17th in Denver, CO? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 57° | 74° | — | — |
| 2024 | 91° | 63° | 77° | — | — |
| 2023 | 95° | 64° | 80° | 0.03" | — |
| 2022 | 82° | 55° | 69° | 1.07" | — |
| 2021 | 93° | 63° | 78° | — | — |
| 2020 | 92° | 61° | 76° | — | — |
| 2019 | 92° | 57° | 74° | — | — |
| 2018 | 87° | 58° | 72° | — | — |
| 2017 | 73° | 53° | 63° | — | — |
| 2016 | 87° | 57° | 72° | 0.48" | — |
| 2015 | 83° | 57° | 70° | 0.84" | — |
| 2014 | 87° | 64° | 76° | — | — |
| 2013 | 88° | 57° | 72° | — | — |
| 2012 | 73° | 49° | 61° | — | — |
| 2011 | 95° | 59° | 77° | — | — |
| 2010 | 82° | 58° | 70° | — | — |
| 2009 | 79° | 55° | 67° | — | — |
| 2008coldest | 58° | 48° | 53° | 2.34" | — |
| 2007 | 88° | 58° | 73° | — | — |
| 2006 | 87° | 60° | 74° | — | — |
| 2005 | 82° | 52° | 67° | 0.05" | — |
| 2004 | 85° | 57° | 71° | — | — |
| 2003 | 89° | 64° | 77° | — | — |
| 2002 | 99° | 54° | 76° | — | — |
| 2001 | 76° | 49° | 62° | 0.1" | — |
| 2000 | 86° | 59° | 73° | — | — |
| 1999 | 89° | 58° | 73° | — | — |
| 1998 | 84° | 54° | 69° | — | — |
| 1997 | 72° | 54° | 63° | 0.08" | — |
| 1996 | 82° | 53° | 68° | — | — |
| 1995warmest | 95° | 68° | 82° | 0.05" | — |
| 1994 | 90° | 64° | 77° | — | — |
| 1993 | 93° | 56° | 74° | — | — |
| 1992 | 89° | 53° | 71° | 0.08" | — |
| 1991 | 82° | 54° | 68° | 0.66" | — |
| 1990 | 83° | 60° | 71° | — | — |
| 1989 | 83° | 60° | 71° | — | — |
| 1988 | 84° | 56° | 70° | 1.02" | — |
| 1987 | 84° | 53° | 69° | — | — |
| 1986 | 90° | 60° | 75° | — | — |
| 1985 | 90° | 46° | 68° | — | — |
| 1984 | 87° | 65° | 76° | — | — |
| 1983 | 90° | 62° | 76° | 0.25" | — |
| 1982 | 86° | 57° | 72° | — | — |
| 1981 | 82° | 50° | 66° | 0.08" | — |
| 1979 | 79° | 57° | 68° | 1.68" | — |
| 1978 | 92° | 57° | 74° | — | — |
| 1977 | 75° | 59° | 67° | — | — |
| 1976 | 89° | 55° | 72° | — | — |
| 1975 | 76° | 52° | 64° | — | — |
| 1974 | 87° | 61° | 74° | — | — |
| 1973 | 91° | 59° | 75° | — | — |
| 1972 | 84° | 51° | 68° | 1.07" | — |
| 1971 | 90° | 59° | 74° | — | — |
54 years of data from LAKEWOOD