| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°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 21 - May 31 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 58o - Northern Connecticut Valley |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 05051 - Newbury, VT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 3 | 4 | 17 | 29 | 40 | 50 | 55 | 53 | 45 | 33 | 25 | 11 | 30 |
| Avg Max Temp (°F) | 26 | 29 | 39 | 52 | 67 | 76 | 80 | 78 | 69 | 57 | 42 | 30 | 54 |
| Avg Precip (In.) | 2.6 | 1.91 | 2.32 | 2.36 | 3.17 | 3.81 | 3.59 | 3.89 | 3.48 | 3.31 | 3.11 | 2.47 | 36.03 |