| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| 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: | 58x - Taconic Foothills |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 12140 - Poestenkill, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 13 | 14 | 24 | 35 | 46 | 55 | 60 | 58 | 50 | 39 | 30 | 20 | 37 |
| Avg Max Temp (°F) | 31 | 33 | 43 | 56 | 69 | 77 | 81 | 79 | 71 | 59 | 47 | 36 | 57 |
| Avg Precip (In.) | 2.55 | 2.12 | 2.91 | 3.4 | 4.02 | 3.97 | 4.05 | 4.28 | 3.56 | 3.46 | 3.41 | 2.66 | 40.4 |