Cambridge, Vermont has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.5 °C (low) to 12.4 °C (high). Annual precipitation averages 1116.1 Millimeters. 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 | -13.5 °C | -2.9 °C | 69.09 mm |
| February | -12.7 °C | -1.3 °C | 53.85 mm |
| March | -7.2 °C | 3.7 °C | 72.14 mm |
| April | 0.1 °C | 11.6 °C | 88.9 mm |
| May | 6.9 °C | 19.2 °C | 109.73 mm |
| June | 12.2 °C | 23.7 °C | 112.01 mm |
| July | 15 °C | 26.3 °C | 118.36 mm |
| August | 13.8 °C | 25.7 °C | 111.76 mm |
| September | 9.8 °C | 21.5 °C | 108.71 mm |
| October | 3.7 °C | 13.9 °C | 108.2 mm |
| November | -1.9 °C | 7 °C | 77.72 mm |
| December | -8.4 °C | 0.5 °C | 85.6 mm |
| Annual | 1.5 °C | 12.4 °C | 1116.07 mm |
| 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 : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |