East Greenbush, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.9 °F (low) to 58.5 °F (high). Annual precipitation averages 42.8 Inches. East Greenbush is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.6 °F | 32.4 °F | 2.88 in. |
| February | 17.0 °F | 35.3 °F | 2.29 in. |
| March | 25.3 °F | 44.2 °F | 3.03 in. |
| April | 36.4 °F | 58.1 °F | 3.28 in. |
| May | 47.5 °F | 70.0 °F | 3.46 in. |
| June | 56.8 °F | 77.9 °F | 4.63 in. |
| July | 61.1 °F | 82.7 °F | 4.74 in. |
| August | 60.0 °F | 80.7 °F | 4.09 in. |
| September | 52.0 °F | 73.6 °F | 3.95 in. |
| October | 41.0 °F | 60.9 °F | 4.11 in. |
| November | 31.5 °F | 48.7 °F | 2.97 in. |
| December | 22.7 °F | 37.6 °F | 3.34 in. |
| Annual | 38.9 °F | 58.5 °F | 42.77 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |