| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 58x - Taconic Foothills |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 05743 - Fair Haven, VT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 12 | 23 | 34 | 45 | 54 | 59 | 57 | 49 | 38 | 30 | 18 | 36 |
| Avg Max Temp (°F) | 30 | 33 | 44 | 57 | 71 | 78 | 83 | 80 | 71 | 59 | 47 | 35 | 57 |
| Avg Precip (In.) | 2.91 | 2 | 2.61 | 2.85 | 3.73 | 3.55 | 4.06 | 4.26 | 3.84 | 3.34 | 3.37 | 2.79 | 39.3 |