East Glenville, 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 57.9 °F (high). Annual precipitation averages 43.3 Inches. East Glenville is located in USDA Plant Hardiness Zone 5b. 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 | 15.2 °F | 31.6 °F | 3.04 in. |
| February | 16.4 °F | 34.6 °F | 2.54 in. |
| March | 24.7 °F | 43.4 °F | 3.22 in. |
| April | 36.3 °F | 57.5 °F | 3.52 in. |
| May | 48.0 °F | 69.3 °F | 3.59 in. |
| June | 57.1 °F | 77.6 °F | 4.51 in. |
| July | 61.9 °F | 82.3 °F | 4.4 in. |
| August | 60.4 °F | 80.3 °F | 4.08 in. |
| September | 52.5 °F | 73.0 °F | 3.65 in. |
| October | 41.2 °F | 60.3 °F | 4.33 in. |
| November | 31.1 °F | 48.0 °F | 3.0 in. |
| December | 22.4 °F | 36.8 °F | 3.42 in. |
| Annual | 38.9 °F | 57.9 °F | 43.3 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 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |