Sheffield, Vermont has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30 °F (low) to 52.4 °F (high). Annual precipitation averages 44.2 Inches. Sheffield is located in USDA Plant Hardiness Zone 4a. 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 | 2.7 °F | 24.4 °F | 2.96 in. |
| February | 3.7 °F | 27.7 °F | 2.6 in. |
| March | 14.1 °F | 37.0 °F | 2.9 in. |
| April | 28.4 °F | 50.9 °F | 3.53 in. |
| May | 40.2 °F | 64.6 °F | 4.04 in. |
| June | 49.2 °F | 73.3 °F | 4.25 in. |
| July | 54.1 °F | 77.9 °F | 4.43 in. |
| August | 52.4 °F | 76.6 °F | 4.27 in. |
| September | 45.1 °F | 68.9 °F | 3.6 in. |
| October | 34.3 °F | 55.0 °F | 4.5 in. |
| November | 23.9 °F | 41.9 °F | 3.23 in. |
| December | 12.4 °F | 30.3 °F | 3.92 in. |
| Annual | 30 °F | 52.4 °F | 44.23 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 4a : -30°F to -25°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 |