East Patchogue, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 44.6 °F (low) to 61 °F (high). Annual precipitation averages 50 Inches. East Patchogue is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.1 °F | 39.1 °F | 3.85 in. |
| February | 25.0 °F | 40.8 °F | 3.6 in. |
| March | 31.1 °F | 47.3 °F | 5.08 in. |
| April | 40.6 °F | 58.1 °F | 4.26 in. |
| May | 49.9 °F | 67.8 °F | 3.89 in. |
| June | 59.9 °F | 77.0 °F | 4.3 in. |
| July | 66.1 °F | 82.6 °F | 3.32 in. |
| August | 64.6 °F | 82.0 °F | 4.14 in. |
| September | 58.4 °F | 74.9 °F | 4.02 in. |
| October | 47.7 °F | 64.0 °F | 4.76 in. |
| November | 37.9 °F | 53.6 °F | 3.88 in. |
| December | 29.9 °F | 44.4 °F | 4.92 in. |
| Annual | 44.6 °F | 61 °F | 50.02 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |