| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F |
| 2012 Hardiness Zone: | Zone 4b: -25°F to -20°F |
| 1990 Hardiness Zone: | Zone 4a: -30F to -25F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 83b - Champlain Lowlands |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 05440 - Alburgh, VT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 6 | 9 | 20 | 33 | 45 | 55 | 59 | 57 | 49 | 39 | 29 | 15 | 35 |
| Avg Max Temp (°F) | 27 | 29 | 39 | 53 | 67 | 76 | 80 | 78 | 69 | 57 | 44 | 32 | 54 |
| Avg Precip (In.) | 1.43 | 1.23 | 1.75 | 2.56 | 2.99 | 3.23 | 3.56 | 3.85 | 3.46 | 2.99 | 2.83 | 1.85 | 31.72 |