Weather on August 19
Dayton, OH
55 Years of Data
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° | — | — |
Dayton, OH Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Dayton, OH Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Dayton, OH Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Dayton, OH
Dayton, OH has no months that meet our "pleasant" threshold — every season has tradeoffs.