Moretown, Vermont has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.2 °F (low) to 51.4 °F (high). Annual precipitation averages 48.2 Inches. Moretown is located in USDA Plant Hardiness Zone 4b. 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 | 7.2 °F | 24.1 °F | 3.23 in. |
| February | 7.7 °F | 27.3 °F | 2.78 in. |
| March | 17.0 °F | 37.1 °F | 3.57 in. |
| April | 29.2 °F | 49.9 °F | 3.94 in. |
| May | 43.2 °F | 63.4 °F | 3.86 in. |
| June | 50.5 °F | 71.5 °F | 4.86 in. |
| July | 56.0 °F | 76.1 °F | 4.97 in. |
| August | 54.4 °F | 74.7 °F | 4.5 in. |
| September | 46.9 °F | 67.6 °F | 3.8 in. |
| October | 36.0 °F | 54.3 °F | 4.94 in. |
| November | 25.3 °F | 40.9 °F | 3.59 in. |
| December | 13.5 °F | 29.7 °F | 4.13 in. |
| Annual | 32.2 °F | 51.4 °F | 48.17 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |