Weather Avenue > 
Weather America > 
United States > 
Pennsylvania > 
| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 13°C | -14°C | -2°C |
| February | 17°C | -10°C | 2°C |
| March | 21°C | -6°C | 5°C |
| April | 25°C | -3°C | 9°C |
| May | 28°C | 3°C | 16°C |
| June | 34°C | 6°C | 20°C |
| July | 34°C | 8°C | 22°C |
| August | 32°C | 6°C | 20°C |
| September | 32°C | 1°C | 17°C |
| October | 29°C | 0°C | 13°C |
| November | 20°C | -7°C | 5°C |
| December | 12°C | -7°C | 3°C |
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