East Poultney, Vermont has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.5 °F (low) to 56.9 °F (high). Annual precipitation averages 42.6 Inches. East Poultney is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 10.9 °F | 30.0 °F | 2.89 in. |
| February | 11.8 °F | 33.0 °F | 2.28 in. |
| March | 21.6 °F | 41.8 °F | 3.0 in. |
| April | 33.1 °F | 56.4 °F | 3.35 in. |
| May | 44.4 °F | 68.7 °F | 3.71 in. |
| June | 53.9 °F | 77.1 °F | 4.53 in. |
| July | 58.3 °F | 81.7 °F | 4.36 in. |
| August | 56.9 °F | 79.9 °F | 4.19 in. |
| September | 49.1 °F | 72.8 °F | 3.64 in. |
| October | 37.9 °F | 59.4 °F | 4.16 in. |
| November | 28.8 °F | 46.7 °F | 3.16 in. |
| December | 19.1 °F | 35.3 °F | 3.37 in. |
| Annual | 35.5 °F | 56.9 °F | 42.64 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |