Weather history and climate summary information is available for the following locations:
- Allentown
- Erie
- Harrisburg
- Philadelphia
- Pittsburgh
- Pittsburgh (pennsylva)
- Scranton
Warmest July Days
The warmest July days in Pennsylvania are:
| Philadelphia, Pennsylvania | 2010 | 105.1°F |
| Allentown, Pennsylvania | 2011 | 104°F |
| Philadelphia, Pennsylvania | 1999 | 103.1°F |
| Pittsburgh (pennsylva), Pennsylvania | 1988 | 102.9°F |
| Philadelphia, Pennsylvania | 2011 | 102.9°F |
Coldest July Days
The coldest July days in Pennsylvania were:
| Pittsburgh (pennsylva), Pennsylvania | 1963 | 43°F |
| Scranton, Pennsylvania | 1979 | 43°F |
| Pittsburgh (pennsylva), Pennsylvania | 1977 | 43.9°F |
| Scranton, Pennsylvania | 1988 | 44.1°F |
| Scranton, Pennsylvania | 2007 | 44.1°F |
Wettest July Days
The wettest single days in July occurred:
| Allentown, Pennsylvania | 2010 | 4.4 inches |
| Philadelphia, Pennsylvania | 2004 | 4.3 inches |
| Philadelphia, Pennsylvania | 1989 | 4.1 inches |
| Philadelphia, Pennsylvania | 1978 | 3.7 inches |
| Pittsburgh (pennsylva), Pennsylvania | 1999 | 3.5 inches |