Sutton, Vermont has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30.5 °F (low) to 51.6 °F (high). Annual precipitation averages 45.9 Inches. Sutton is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.6 °F | 24.1 °F | 3.16 in. |
| February | 4.6 °F | 27.5 °F | 2.64 in. |
| March | 14.9 °F | 36.2 °F | 3.0 in. |
| April | 28.9 °F | 49.8 °F | 3.51 in. |
| May | 40.7 °F | 63.8 °F | 4.01 in. |
| June | 49.7 °F | 72.2 °F | 4.62 in. |
| July | 54.6 °F | 77.0 °F | 4.69 in. |
| August | 52.6 °F | 75.7 °F | 4.42 in. |
| September | 45.1 °F | 68.0 °F | 3.75 in. |
| October | 34.7 °F | 54.2 °F | 4.69 in. |
| November | 24.1 °F | 41.0 °F | 3.38 in. |
| December | 12.6 °F | 29.8 °F | 3.99 in. |
| Annual | 30.5 °F | 51.6 °F | 45.86 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |