| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F |
| 2012 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F |
| 1990 Hardiness Zone: | Zone 4a: -30F to -25F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 21 - May 31 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 58z - Adirondack High Peaks |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 12942 - Keene, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 4 | 6 | 16 | 29 | 40 | 49 | 54 | 52 | 44 | 33 | 25 | 12 | 30 |
| Avg Max Temp (°F) | 27 | 30 | 40 | 52 | 66 | 74 | 78 | 76 | 68 | 56 | 43 | 32 | 54 |
| Avg Precip (In.) | 2.63 | 2.15 | 2.68 | 2.97 | 3.32 | 3.49 | 3.41 | 4.06 | 3.72 | 3.29 | 3.4 | 2.56 | 37.68 |