Weather history and climate summary information is available for the following locations:
- Cincinnati
- Cleveland
- Columbus
- Dayton
- Wilmington
- Youngstown
Warmest August Days
The warmest August days in Ohio are:
| Cincinnati, Ohio | 1988 | 102.9°F |
| Columbus, Ohio | 1983 | 102.9°F |
| Cincinnati, Ohio | 1983 | 102°F |
| Dayton, Ohio | 1988 | 102°F |
| Dayton, Ohio | 1951 | 102°F |
Coldest August Days
The coldest August days in Ohio were:
| Youngstown, Ohio | 1982 | 32°F |
| Columbus, Ohio | 1965 | 37°F |
| Cleveland, Ohio | 1982 | 38.3°F |
| Youngstown, Ohio | 1988 | 39°F |
| Columbus, Ohio | 1986 | 39.9°F |
Wettest August Days
The wettest single days in August occurred:
| Columbus, Ohio | 1982 | 9.6 inches |
| Dayton, Ohio | 1990 | 5.8 inches |
| Cleveland, Ohio | 2011 | 3.8 inches |
| Cincinnati, Ohio | 1995 | 3.7 inches |
| Dayton, Ohio | 1974 | 3.6 inches |