| 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: | 58b - Western New England Marble Valleys | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 05773 - Wallingford, VT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 9 | 10 | 21 | 31 | 42 | 50 | 54 | 53 | 45 | 35 | 27 | 16 | 33 |
| Avg Max Temp (°F) | 30 | 32 | 43 | 55 | 68 | 76 | 80 | 77 | 69 | 59 | 45 | 35 | 56 |
| Avg Precip (In.) | 3.2 | 2.41 | 3.16 | 3.3 | 4.08 | 4.09 | 4.36 | 4.61 | 4.14 | 3.8 | 3.72 | 3.16 | 44.05 |