Climate - Allentown - Pennsylvania
| Jan | Feb | March | April | May | June | |
|---|---|---|---|---|---|---|
| Average high in °F | 35 | 39 | 49 | 60 | 71 | 79 |
| Average low in °F | 19 | 21 | 29 | 38 | 48 | 58 |
| Av. precipitation - inch | 3.5 | 2.76 | 3.54 | 3.5 | 4.49 | 3.98 |
| July | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|
| Average high in °F | 84 | 82 | 74 | 63 | 51 | 40 |
| Average low in °F | 63 | 61 | 53 | 41 | 33 | 24 |
| Av. precipitation - inch | 4.25 | 4.33 | 4.37 | 3.35 | 3.7 | 3.39 |
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Allentown Climate Graph - Pennsylvania Climate Chart
Totals and averages
| Annual average high temperature | 60.5 °F |
| Annual average low temperature | 40.6 °F |
| Average temperature | 50.5 °F |
| Average annual precipitation | 45.2 in. |