Weather history and climate summary information is available for the following locations:
- Evansville
- Fort Wayne
- Indianapolis
- South Bend
Warmest August Days
The warmest August days in Indiana are:
| Evansville, Indiana | 2007 | 104°F |
| South Bend, Indiana | 1988 | 102.9°F |
| Evansville, Indiana | 1983 | 102°F |
| Indianapolis, Indiana | 1988 | 102°F |
| Evansville, Indiana | 2010 | 102°F |
Coldest August Days
The coldest August days in Indiana were:
| Fort Wayne, Indiana | 1986 | 39.9°F |
| Fort Wayne, Indiana | 1964 | 41.4°F |
| Indianapolis, Indiana | 1986 | 42.1°F |
| South Bend, Indiana | 1986 | 42.1°F |
| South Bend, Indiana | 2009 | 43°F |
Wettest August Days
The wettest single days in August occurred:
| South Bend, Indiana | 1995 | 4.8 inches |
| Fort Wayne, Indiana | 2007 | 4.5 inches |
| Fort Wayne, Indiana | 1957 | 3.9 inches |
| Indianapolis, Indiana | 2009 | 3.8 inches |
| Evansville, Indiana | 1977 | 3.7 inches |