| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°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. 11 - Oct. 20 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 58x - Taconic Foothills | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 12545 - Millbrook, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 13 | 15 | 24 | 35 | 45 | 53 | 58 | 57 | 49 | 37 | 29 | 20 | 36 |
| Avg Max Temp (°F) | 34 | 37 | 47 | 58 | 70 | 78 | 83 | 80 | 73 | 62 | 50 | 39 | 59 |
| Avg Precip (In.) | 3.22 | 2.69 | 3.3 | 3.61 | 4.38 | 4.01 | 4.42 | 4.23 | 3.9 | 3.68 | 3.35 | 3.2 | 44 |