| 2023 Hardiness Zone: | Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 58b - Western New England Marble Valleys |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 05260 - North Pownal, VT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 13 | 23 | 33 | 44 | 53 | 57 | 55 | 47 | 37 | 29 | 18 | 35 |
| Avg Max Temp (°F) | 30 | 33 | 42 | 55 | 68 | 75 | 80 | 78 | 70 | 58 | 46 | 35 | 56 |
| Avg Precip (In.) | 2.56 | 1.88 | 2.63 | 3.05 | 3.83 | 3.78 | 3.81 | 4.28 | 3.62 | 3.37 | 3.27 | 2.62 | 38.72 |