Weather history and climate summary information is available for the following locations:
- Allentown
- Erie
- Harrisburg
- Philadelphia
- Pittsburgh
- Pittsburgh (pennsylva)
- Scranton
Warmest June Days
The warmest June days in Pennsylvania are:
| Scranton, Pennsylvania | 1974 | 106°F |
| Philadelphia, Pennsylvania | 1994 | 100°F |
| Philadelphia, Pennsylvania | 1988 | 100°F |
| Pittsburgh, Pennsylvania | 2012 | 99°F |
| Harrisburg, Pennsylvania | 2012 | 99°F |
Coldest June Days
The coldest June days in Pennsylvania were:
| Pittsburgh (pennsylva), Pennsylvania | 1972 | 34°F |
| Scranton, Pennsylvania | 1986 | 35.1°F |
| Pittsburgh (pennsylva), Pennsylvania | 1966 | 36°F |
| Philadelphia, Pennsylvania | 1978 | 36°F |
| Erie, Pennsylvania | 1977 | 36°F |
Wettest June Days
The wettest single days in June occurred:
| Erie, Pennsylvania | 1978 | 6 inches |
| Philadelphia, Pennsylvania | 1983 | 4.2 inches |
| Scranton, Pennsylvania | 1973 | 3.6 inches |
| Allentown, Pennsylvania | 1973 | 3.4 inches |
| Erie, Pennsylvania | 1994 | 3.3 inches |