Weather Avenue > 
Weather America > 
United States > 
Pennsylvania > 
| Month | Max. | Min. | Avg. |
|---|---|---|---|
| January | 13°C | -12°C | 0°C |
| February | 17°C | -9°C | 3°C |
| March | 22°C | -3°C | 6°C |
| April | 28°C | 0°C | 11°C |
| May | 29°C | 6°C | 17°C |
| June | 34°C | 9°C | 21°C |
| July | 37°C | 12°C | 25°C |
| August | 36°C | 10°C | 22°C |
| September | 36°C | 7°C | 20°C |
| October | 30°C | 3°C | 15°C |
| November | 24°C | -5°C | 7°C |
| December | 12°C | -3°C | 4°C |
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