| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F 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: | 59a - Connecticut Valley |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 05354 - Vernon, VT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 10 | 12 | 23 | 33 | 44 | 54 | 58 | 57 | 48 | 37 | 29 | 18 | 35 |
| Avg Max Temp (°F) | 32 | 36 | 45 | 57 | 70 | 79 | 83 | 81 | 73 | 61 | 48 | 36 | 58 |
| Avg Precip (In.) | 3.82 | 2.97 | 3.7 | 3.87 | 4.23 | 3.95 | 3.82 | 4.02 | 3.73 | 3.93 | 4 | 3.61 | 45.65 |