| 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. 1 - Jun. 10 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 58c - Green Mountains/Berkshire Highlands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 05363 - Wilmington, VT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 8 | 9 | 19 | 30 | 41 | 49 | 53 | 52 | 44 | 34 | 26 | 15 | 32 |
| Avg Max Temp (°F) | 28 | 30 | 39 | 51 | 64 | 73 | 77 | 75 | 67 | 56 | 44 | 32 | 53 |
| Avg Precip (In.) | 4.58 | 3.62 | 4.64 | 4.49 | 4.86 | 4.47 | 4.56 | 4.83 | 4.49 | 4.65 | 4.91 | 4.6 | 54.73 |