Average annual temperatures for Pennsylvania (12°C/54°F) are slightly below the average for United States (13°C/55°F).
Average annual rainfall for Pennsylvania (1,303mm/51 inches) is significantly above the average for United States (1,039mm/41 inches).
July is the hottest or warmest month in Pennsylvania, with an average maximum temperate of 30°C/86°F.
January is the coolest or coldest month in Pennsylvania, with an average minimum temperate of -6°C/21°F.
July is the wettest or most rainy month in Pennsylvania, with an average rainfall of 140mm/6 inches.
November is the driest or least rainy month in Pennsylvania, with an average rainfall of 78mm/3 inches.
Philadelphia is the hottest or warmest place in Pennsylvania, with an average maximum temperate of 14°C/57°F.
Erie is the coldest place in Pennsylvania, with an average maximum temperate of 11°C/52°F.
Abington is the most rainy or wettest place in Pennsylvania, with an average annual rainfall of 1,499mm/59 inches.
Scranton is the least rainy or driest place in Pennsylvania, with an average annual rainfall of 1,145mm/45 inches.
| Place | Min Temp | Max Temp | Avg Temp | Rainfall |
|---|---|---|---|---|
| Abington | 7 | 18 | 12 | 1,499 |
| Allentown | 6 | 18 | 12 | 1,422 |
| Bensalem | 7 | 18 | 12 | 1,499 |
| Bethlehem | 6 | 18 | 12 | 1,422 |
| Center City | 9 | 19 | 14 | 1,347 |
| Erie | 7 | 15 | 11 | 1,271 |
| Lancaster | 6 | 18 | 12 | 1,305 |
| Levittown | 6 | 19 | 12 | 1,395 |
| Philadelphia | 9 | 19 | 14 | 1,347 |
| Pittsburgh | 6 | 17 | 12 | 1,185 |
| Reading | 6 | 17 | 12 | 1,303 |
| Scranton | 6 | 16 | 11 | 1,145 |