| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| 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: | 58b - Western New England Marble Valleys |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 12546 - Millerton, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 14 | 24 | 33 | 44 | 52 | 57 | 56 | 48 | 36 | 28 | 19 | 35 |
| Avg Max Temp (°F) | 33 | 36 | 45 | 58 | 69 | 77 | 82 | 79 | 72 | 60 | 48 | 37 | 58 |
| Avg Precip (In.) | 3.56 | 2.81 | 3.63 | 3.87 | 4.48 | 4.22 | 4.45 | 4.51 | 4.08 | 3.91 | 3.82 | 3.52 | 46.87 |