Websterville, Vermont has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.7 °F (low) to 52.1 °F (high). Annual precipitation averages 42 Inches. Websterville 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 | 7.5 °F | 25.4 °F | 2.63 in. |
| February | 9.0 °F | 28.6 °F | 2.23 in. |
| March | 18.0 °F | 36.8 °F | 2.87 in. |
| April | 30.6 °F | 50.2 °F | 3.27 in. |
| May | 42.3 °F | 63.8 °F | 3.62 in. |
| June | 51.1 °F | 72.1 °F | 4.42 in. |
| July | 55.8 °F | 76.9 °F | 4.72 in. |
| August | 54.0 °F | 75.3 °F | 4.15 in. |
| September | 46.7 °F | 68.0 °F | 3.54 in. |
| October | 36.2 °F | 54.7 °F | 4.14 in. |
| November | 26.2 °F | 42.3 °F | 3.06 in. |
| December | 15.5 °F | 31.1 °F | 3.38 in. |
| Annual | 32.7 °F | 52.1 °F | 42.03 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 5a : -20°F to -15°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 |