Weather on June 15
Dayton, OH
55 Years of Data
Avg High
85°F
Avg Low
64°F
Warmest
2022
84°F avg
Coldest
1978
64°F avg
About This Date
June 15th in Dayton, OH typically brings warm summer weather, with average highs around 85°F and lows near 64°F. Over 55 years of records, the warmest June 15th was in 2022 (84°F average), while the coldest was 1978 (64°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 38% of June 15th dates historically, with the wettest June 15th recording 4.6" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for June 15th in Dayton, OH? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 67° | 74° | 0.13" | — |
| 2024 | 83° | 60° | 71° | — | — |
| 2023 | 82° | 57° | 70° | 0.48" | — |
| 2022warmest | 93° | 75° | 84° | — | — |
| 2021 | 78° | 62° | 70° | — | — |
| 2020 | 82° | 57° | 70° | — | — |
| 2019 | 79° | 59° | 69° | — | — |
| 2018 | 85° | 62° | 73° | — | — |
| 2017 | 74° | 66° | 70° | 4.6" | — |
| 2016 | 83° | 69° | 76° | 0.03" | — |
| 2015 | 92° | 71° | 81° | 1.12" | — |
| 2014 | 80° | 54° | 67° | — | — |
| 2013 | 79° | 58° | 68° | — | — |
| 2012 | 88° | 58° | 73° | — | — |
| 2011 | 78° | 59° | 69° | — | — |
| 2010 | 89° | 67° | 78° | 2.41" | — |
| 2009 | 80° | 62° | 71° | — | — |
| 2008 | 85° | 62° | 73° | — | — |
| 2007 | 83° | 58° | 70° | — | — |
| 2006 | 82° | 59° | 71° | — | — |
| 2005 | 88° | 66° | 77° | 0.28" | — |
| 2004 | 87° | 71° | 79° | — | — |
| 2003 | 77° | 67° | 72° | 0.05" | — |
| 2002 | 76° | 54° | 65° | 0.25" | — |
| 2001 | 87° | 72° | 79° | 0.1" | — |
| 2000 | 90° | 75° | 82° | 0.46" | — |
| 1999 | 81° | 56° | 68° | 0.43" | — |
| 1998 | 80° | 62° | 71° | 2.79" | — |
| 1997 | 81° | 55° | 68° | — | — |
| 1996 | 92° | 65° | 78° | 1.14" | — |
| 1995 | 88° | 62° | 75° | 0.18" | — |
| 1994 | 95° | 72° | 83° | — | — |
| 1993 | 87° | 62° | 75° | 0.08" | — |
| 1992 | 82° | 66° | 74° | — | — |
| 1991 | 92° | 75° | 83° | — | — |
| 1990 | 90° | 71° | 80° | 2.21" | — |
| 1989 | 75° | 60° | 68° | 0.46" | — |
| 1988 | 96° | 70° | 83° | — | — |
| 1987 | 92° | 68° | 80° | — | — |
| 1986 | 86° | 63° | 74° | — | — |
| 1985 | 77° | 60° | 69° | 0.13" | — |
| 1984 | 89° | 60° | 75° | — | — |
| 1983 | 92° | 67° | 79° | — | — |
| 1982 | 83° | 60° | 71° | — | — |
| 1981 | 92° | 75° | 83° | — | — |
| 1980 | 88° | 70° | 79° | — | — |
| 1979 | 89° | 60° | 75° | — | — |
| 1978coldest | 75° | 53° | 64° | — | — |
| 1977 | 79° | 62° | 70° | — | — |
| 1976 | 92° | 74° | 83° | — | — |
| 1975 | 82° | 68° | 75° | — | — |
| 1974 | 82° | 62° | 72° | 1.85" | — |
| 1973 | 83° | 62° | 72° | — | — |
| 1972 | 90° | 74° | 82° | — | — |
| 1971 | 88° | 67° | 77° | 1.8" | — |
55 years of data from DAYTON MCD