Weather on August 31
Dayton, OH
55 Years of Data
Avg High
84°F
Avg Low
63°F
Warmest
1993
86°F avg
Coldest
2009
61°F avg
About This Date
August 31st in Dayton, OH typically brings warm summer weather, with average highs around 84°F and lows near 63°F. Over 55 years of records, the warmest August 31st was in 1993 (86°F average), while the coldest was 2009 (61°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 24% of August 31st dates historically, with the wettest August 31st recording 6.1" 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 31st in Dayton, OH? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 48° | 62° | — | — |
| 2024 | 84° | 70° | 77° | 0.03" | — |
| 2023 | 76° | 52° | 64° | — | — |
| 2022 | 82° | 60° | 71° | — | — |
| 2021 | 80° | 69° | 75° | 0.99" | — |
| 2020 | 86° | 65° | 75° | — | — |
| 2019 | 89° | 69° | 79° | 0.08" | — |
| 2018 | 85° | 67° | 76° | — | — |
| 2017 | 83° | 62° | 72° | — | — |
| 2016 | 90° | 70° | 80° | — | — |
| 2015 | 88° | 67° | 77° | — | — |
| 2014 | 87° | 70° | 78° | — | — |
| 2013 | 91° | 69° | 80° | 0.1" | — |
| 2012 | 93° | 65° | 79° | — | — |
| 2011 | 82° | 58° | 70° | — | — |
| 2010 | 94° | 71° | 82° | — | — |
| 2009coldest | 71° | 50° | 61° | — | — |
| 2008 | 87° | 63° | 75° | — | — |
| 2007 | 79° | 58° | 68° | — | — |
| 2006 | 78° | 66° | 72° | — | — |
| 2005 | 73° | 66° | 70° | 6.1" | — |
| 2004 | 78° | 58° | 68° | — | — |
| 2003 | 75° | 66° | 71° | — | — |
| 2002 | 87° | 66° | 77° | — | — |
| 2001 | 90° | 67° | 78° | 0.56" | — |
| 2000 | 89° | 70° | 79° | — | — |
| 1999 | 78° | 54° | 66° | — | — |
| 1998 | 91° | 63° | 77° | — | — |
| 1997 | 80° | 56° | 68° | — | — |
| 1996 | 88° | 59° | 73° | — | — |
| 1995 | 94° | 72° | 83° | — | — |
| 1994 | 79° | 57° | 68° | 0.13" | — |
| 1993warmest | 96° | 75° | 86° | — | — |
| 1992 | 79° | 59° | 69° | 0.41" | — |
| 1991 | 90° | 73° | 81° | — | — |
| 1990 | 86° | 62° | 74° | — | — |
| 1989 | 88° | 63° | 75° | — | — |
| 1988 | 77° | 54° | 65° | — | — |
| 1987 | 82° | 58° | 70° | — | — |
| 1986 | 77° | 48° | 63° | — | — |
| 1985 | 82° | 63° | 72° | — | — |
| 1984 | 88° | 58° | 73° | — | — |
| 1983 | 94° | 68° | 81° | — | — |
| 1982 | 76° | 63° | 69° | 0.66" | — |
| 1981 | 81° | 65° | 73° | — | — |
| 1980 | 86° | 67° | 76° | — | — |
| 1979 | 86° | 65° | 75° | — | — |
| 1978 | 65° | 60° | 62° | 4.52" | — |
| 1977 | 85° | 67° | 76° | 0.13" | — |
| 1976 | 77° | 50° | 64° | — | — |
| 1975 | 82° | 70° | 76° | 0.38" | — |
| 1974 | 82° | 64° | 73° | — | — |
| 1973 | 91° | 68° | 80° | 1.27" | — |
| 1972 | 86° | 62° | 74° | — | — |
| 1971 | 86° | 61° | 73° | — | — |
55 years of data from DAYTON MCD