| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F |
| 2012 Hardiness Zone: | Zone 4b: -25°F to -20°F |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F |
| 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: | 58l - Northern Piedmont |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 05060 - Randolph, VT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 6 | 7 | 18 | 31 | 41 | 50 | 55 | 53 | 45 | 34 | 26 | 13 | 32 |
| Avg Max Temp (°F) | 27 | 31 | 40 | 53 | 67 | 75 | 80 | 77 | 69 | 57 | 44 | 32 | 54 |
| Avg Precip (In.) | 3.2 | 2.5 | 3.16 | 3.19 | 3.46 | 3.6 | 3.96 | 4.17 | 3.54 | 3.47 | 3.59 | 3.17 | 41 |