Weather on August 19
Dayton, OH
55 Years of Data
Avg High
86°F
Avg Low
65°F
Warmest
2019
86°F avg
Coldest
1977
64°F avg
About This Date
August 19th in Dayton, OH typically brings warm summer weather, with average highs around 86°F and lows near 65°F. Over 55 years of records, the warmest August 19th was in 2019 (86°F average), while the coldest was 1977 (64°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 19th dates historically, with the wettest August 19th recording 5.03" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for August 19th in Dayton, OH? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 68° | 79° | 0.03" | — |
| 2024 | 76° | 59° | 67° | 0.03" | — |
| 2023 | 81° | 56° | 68° | — | — |
| 2022 | 87° | 62° | 75° | — | — |
| 2021 | 86° | 71° | 79° | — | — |
| 2020 | 83° | 62° | 72° | 0.05" | — |
| 2019warmest | 97° | 75° | 86° | — | — |
| 2018 | 84° | 64° | 74° | 0.15" | — |
| 2017 | 86° | 69° | 78° | — | — |
| 2016 | 86° | 67° | 76° | — | — |
| 2015 | 89° | 70° | 79° | — | — |
| 2014 | 88° | 69° | 78° | — | — |
| 2013 | 81° | 62° | 71° | — | — |
| 2012 | 81° | 57° | 69° | — | — |
| 2011 | 91° | 68° | 80° | — | — |
| 2010 | 87° | 65° | 76° | — | — |
| 2009 | 88° | 73° | 80° | 0.08" | — |
| 2008 | 87° | 63° | 75° | — | — |
| 2007 | 78° | 57° | 68° | — | — |
| 2006 | 90° | 75° | 82° | — | — |
| 2005 | 89° | 70° | 79° | 0.05" | — |
| 2004 | 85° | 65° | 75° | — | — |
| 2003 | 80° | 59° | 70° | — | — |
| 2002 | 84° | 71° | 78° | — | — |
| 2001 | 82° | 64° | 73° | 2.79" | — |
| 2000 | 75° | 61° | 68° | — | — |
| 1999 | 90° | 64° | 77° | — | — |
| 1998 | 91° | 58° | 74° | — | — |
| 1997 | 79° | 63° | 71° | 0.15" | — |
| 1996 | 90° | 66° | 78° | — | — |
| 1995 | 96° | 74° | 85° | 2.62" | — |
| 1994 | 90° | 64° | 77° | — | — |
| 1993 | 90° | 69° | 79° | — | — |
| 1992 | 82° | 59° | 71° | 0.15" | — |
| 1991 | 86° | 65° | 75° | — | — |
| 1990 | 89° | 72° | 80° | 0.08" | — |
| 1989 | 71° | 64° | 68° | 0.15" | — |
| 1988 | 99° | 72° | 85° | — | — |
| 1987 | 92° | 65° | 78° | — | — |
| 1986 | 88° | 65° | 76° | — | — |
| 1985 | 89° | 64° | 77° | — | — |
| 1984 | 85° | 62° | 73° | — | — |
| 1983 | 91° | 72° | 81° | — | — |
| 1982 | 84° | 58° | 71° | — | — |
| 1981 | 81° | 54° | 67° | — | — |
| 1980 | 87° | 69° | 78° | 1.14" | — |
| 1979 | 80° | 66° | 73° | 5.03" | — |
| 1978 | 88° | 68° | 78° | 1.22" | — |
| 1977coldest | 74° | 54° | 64° | — | — |
| 1976 | 83° | 58° | 70° | — | — |
| 1975 | 86° | 66° | 76° | — | — |
| 1974 | 84° | 64° | 74° | — | — |
| 1973 | 86° | 66° | 76° | — | — |
| 1972 | 95° | 74° | 84° | — | — |
| 1971 | 88° | 61° | 74° | — | — |
55 years of data from DAYTON MCD