Danby, Vermont has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.6 °C (low) to 13.7 °C (high). Annual precipitation averages 1156 Millimeters. Danby is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.7 °C | -1.1 °C | 68.33 mm |
| February | -11.2 °C | 0.6 °C | 68.83 mm |
| March | -6.1 °C | 5.3 °C | 90.42 mm |
| April | 0.4 °C | 13.3 °C | 96.52 mm |
| May | 6.6 °C | 20.2 °C | 107.19 mm |
| June | 11.7 °C | 24.8 °C | 105.92 mm |
| July | 14.2 °C | 27.3 °C | 118.36 mm |
| August | 13.2 °C | 26.5 °C | 91.69 mm |
| September | 8.9 °C | 22.6 °C | 98.3 mm |
| October | 2.9 °C | 15.2 °C | 118.11 mm |
| November | -2.1 °C | 8.1 °C | 88.39 mm |
| December | -7.2 °C | 1.9 °C | 103.89 mm |
| Annual | 1.6 °C | 13.7 °C | 1155.95 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 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 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |