| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| Average First Frost Date: | Sep. 21 - Sep. 30 |
| Average Last Frost Date: | Jun. 11 - Jun. 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 58c - Green Mountains/Berkshire Highlands |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 05356 - West Dover, VT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 8 | 9 | 19 | 30 | 40 | 49 | 53 | 52 | 44 | 34 | 26 | 15 | 32 |
| Avg Max Temp (°F) | 27 | 30 | 38 | 50 | 63 | 71 | 76 | 73 | 66 | 55 | 42 | 31 | 52 |
| Avg Precip (In.) | 4.74 | 3.66 | 4.8 | 4.6 | 5.01 | 4.78 | 4.66 | 4.86 | 4.59 | 4.8 | 5.1 | 4.92 | 56.52 |