Climate - Islip - New York
| Jan | Feb | March | April | May | June | |
|---|---|---|---|---|---|---|
| Average high in °F | 39 | 40 | 49 | 58 | 69 | 77 |
| Average low in °F | 23 | 24 | 31 | 40 | 49 | 60 |
| Av. precipitation - inch | 4.25 | 3.35 | 4.76 | 4.13 | 3.9 | 3.7 |
| July | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|
| Average high in °F | 83 | 82 | 75 | 64 | 54 | 44 |
| Average low in °F | 66 | 65 | 57 | 45 | 36 | 28 |
| Av. precipitation - inch | 2.91 | 4.49 | 3.39 | 3.62 | 3.86 | 4.13 |
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Islip Climate Graph - New York Climate Chart
Totals and averages
| Annual average high temperature | 61.1 °F |
| Annual average low temperature | 43.5 °F |
| Average temperature | 52.3 °F |
| Average annual precipitation | 46.5 in. |