Weather on August 31
Denver, CO
55 Years of Data
Avg High
87°F
Avg Low
54°F
Warmest
1990
78°F avg
Coldest
2003
60°F avg
About This Date
August 31st in Denver, CO typically brings warm summer weather, with average highs around 87°F and lows near 54°F — a 33°F daily swing. Over 55 years of records, the warmest August 31st was in 1990 (78°F average), while the coldest was 2003 (60°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 18% of August 31st dates historically, with the wettest August 31st recording 1.37" of rain. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for August 31st in Denver, CO? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 49° | 65° | 0.03" | — |
| 2024 | 91° | 52° | 71° | — | — |
| 2023 | 98° | 54° | 76° | — | — |
| 2022 | 97° | 60° | 78° | — | — |
| 2021 | 96° | 55° | 76° | — | — |
| 2020 | 94° | 45° | 69° | — | — |
| 2019 | 85° | 58° | 71° | — | — |
| 2018 | 93° | 57° | 75° | — | — |
| 2017 | 92° | 58° | 75° | — | — |
| 2016 | 86° | 53° | 70° | — | — |
| 2015 | 96° | 61° | 78° | — | — |
| 2014 | 89° | 53° | 71° | — | — |
| 2013 | 91° | 63° | 77° | — | — |
| 2012 | 96° | 56° | 76° | — | — |
| 2011 | 92° | 61° | 76° | — | — |
| 2010 | 87° | 53° | 70° | — | — |
| 2009 | 71° | 54° | 62° | — | — |
| 2008 | 95° | 57° | 76° | — | — |
| 2007 | 89° | 55° | 72° | — | — |
| 2006 | 95° | 55° | 75° | — | — |
| 2005 | 100° | 46° | 73° | — | — |
| 2004 | 88° | 51° | 69° | — | — |
| 2003coldest | 68° | 52° | 60° | 1.37" | — |
| 2002 | 94° | 60° | 77° | — | — |
| 2001 | 85° | 54° | 69° | — | — |
| 2000 | 70° | 52° | 61° | 0.13" | — |
| 1999 | 93° | 61° | 77° | 0.36" | — |
| 1998 | 85° | 59° | 72° | 0.2" | — |
| 1997 | 83° | 58° | 70° | — | — |
| 1996 | 85° | 47° | 66° | — | — |
| 1995 | 91° | 53° | 72° | — | — |
| 1994 | 73° | 53° | 63° | 0.76" | — |
| 1993 | 73° | 50° | 62° | — | — |
| 1992 | 76° | 49° | 62° | — | — |
| 1991 | 82° | 57° | 70° | — | — |
| 1990warmest | 92° | 65° | 78° | 0.05" | — |
| 1989 | 94° | 59° | 76° | — | — |
| 1988 | 90° | 53° | 71° | — | — |
| 1987 | 80° | 50° | 65° | — | — |
| 1986 | 77° | 53° | 65° | — | — |
| 1985 | 94° | 61° | 77° | — | — |
| 1984 | 88° | 57° | 72° | — | — |
| 1983 | 89° | 54° | 71° | — | — |
| 1982 | 90° | 55° | 72° | — | — |
| 1981 | 85° | 55° | 70° | — | — |
| 1980 | 80° | 47° | 63° | 0.08" | — |
| 1979 | 89° | 52° | 70° | — | — |
| 1978 | 91° | 49° | 70° | — | — |
| 1977 | 84° | 50° | 67° | — | — |
| 1976 | 77° | 49° | 63° | — | — |
| 1975 | 95° | 51° | 73° | — | — |
| 1974 | 80° | 47° | 63° | — | — |
| 1973 | 80° | 60° | 70° | 0.23" | — |
| 1972 | 75° | 55° | 65° | 0.66" | — |
| 1971 | 86° | 56° | 71° | — | — |
55 years of data from NORTHGLENN