| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F 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: | 58ag - Rensselaer Plateau |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 12168 - Stephentown, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 13 | 22 | 33 | 43 | 52 | 57 | 55 | 47 | 36 | 28 | 18 | 35 |
| Avg Max Temp (°F) | 30 | 33 | 42 | 54 | 67 | 75 | 79 | 77 | 69 | 58 | 46 | 35 | 55 |
| Avg Precip (In.) | 2.88 | 2.36 | 2.98 | 3.4 | 3.98 | 4.29 | 4.24 | 4.27 | 3.66 | 3.37 | 3.56 | 2.81 | 41.79 |