| 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 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 21 - May 31 |
| 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 05255 - Manchester Center, VT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 8 | 9 | 20 | 30 | 41 | 49 | 53 | 52 | 44 | 34 | 26 | 15 | 32 |
| Avg Max Temp (°F) | 29 | 31 | 42 | 54 | 66 | 74 | 78 | 75 | 67 | 57 | 44 | 34 | 54 |
| Avg Precip (In.) | 2.96 | 2.18 | 3.01 | 3.22 | 3.94 | 3.81 | 3.76 | 4.39 | 3.72 | 3.45 | 3.47 | 2.89 | 40.8 |