| 2023 Hardiness Zone: | Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F |
| 2012 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F |
| 1990 Hardiness Zone: | Zone 3b: -35F to -30F |
| Average First Frost Date: | Sep.11 - Sep. 20 |
| Average Last Frost Date: | Jun. 1 - Jun. 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 58m - Quebec/New England Boundary Mountains |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 05846 - Island Pond, VT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 2 | 2 | 14 | 27 | 38 | 48 | 52 | 50 | 42 | 32 | 23 | 9 | 28 |
| Avg Max Temp (°F) | 23 | 26 | 36 | 49 | 64 | 72 | 77 | 74 | 65 | 53 | 40 | 28 | 51 |
| Avg Precip (In.) | 3.23 | 2.24 | 2.89 | 2.91 | 3.9 | 4.4 | 4.48 | 4.75 | 3.89 | 3.59 | 3.61 | 3.29 | 43.18 |