Cabot, Vermont has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 31.3 °F (low) to 52.5 °F (high). Annual precipitation averages 45.1 Inches. Cabot 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 Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.5 °F | 24.8 °F | 2.81 in. |
| February | 6.0 °F | 27.9 °F | 2.44 in. |
| March | 16.1 °F | 37.0 °F | 2.97 in. |
| April | 29.3 °F | 50.9 °F | 3.49 in. |
| May | 41.1 °F | 64.9 °F | 4.0 in. |
| June | 50.1 °F | 73.3 °F | 4.63 in. |
| July | 55.0 °F | 78.0 °F | 4.71 in. |
| August | 52.9 °F | 76.5 °F | 4.48 in. |
| September | 45.4 °F | 69.1 °F | 3.78 in. |
| October | 35.2 °F | 55.1 °F | 4.6 in. |
| November | 24.9 °F | 41.7 °F | 3.27 in. |
| December | 13.8 °F | 30.5 °F | 3.88 in. |
| Annual | 31.3 °F | 52.5 °F | 45.06 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| 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 |