Find cheap flights to Allentown from CA$166
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Weather in Allentown
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 2°C | -5°C |
| February | 4°C | -4°C |
| March | 8°C | 0°C |
| April | 15°C | 4°C |
| May | 20°C | 10°C |
| June | 25°C | 15°C |
| July | 29°C | 18°C |
| August | 27°C | 17°C |
| September | 24°C | 13°C |
| October | 17°C | 8°C |
| November | 10°C | 2°C |
| December | 5°C | -1°C |