Cambridge, Vermont has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.7 °F (low) to 54.3 °F (high). Annual precipitation averages 43.9 Inches. Cambridge is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 7.7 °F | 26.7 °F | 2.72 in. |
| February | 9.1 °F | 29.6 °F | 2.12 in. |
| March | 19.1 °F | 38.6 °F | 2.84 in. |
| April | 32.1 °F | 52.9 °F | 3.5 in. |
| May | 44.5 °F | 66.5 °F | 4.32 in. |
| June | 53.9 °F | 74.7 °F | 4.41 in. |
| July | 59.0 °F | 79.3 °F | 4.66 in. |
| August | 56.9 °F | 78.3 °F | 4.4 in. |
| September | 49.6 °F | 70.7 °F | 4.28 in. |
| October | 38.7 °F | 57.1 °F | 4.26 in. |
| November | 28.5 °F | 44.6 °F | 3.06 in. |
| December | 16.9 °F | 32.9 °F | 3.37 in. |
| Annual | 34.7 °F | 54.3 °F | 43.94 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 11 - Apr. 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 |