Weather Avenue > 
Weather America > 
United States > 
Pennsylvania > 
| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 10°C | -13°C | -1°C |
| February | 18°C | -9°C | 4°C |
| March | 23°C | -4°C | 8°C |
| April | 28°C | 0°C | 13°C |
| May | 28°C | 5°C | 17°C |
| June | 35°C | 8°C | 22°C |
| July | 35°C | 10°C | 24°C |
| August | 35°C | 10°C | 23°C |
| September | 35°C | 7°C | 21°C |
| October | 31°C | 0°C | 14°C |
| November | 19°C | -6°C | 6°C |
| December | 14°C | -3°C | 5°C |
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