| 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: | Sep. 21 - Sep. 30 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 60c - Catskills Transition |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 12423 - East Durham, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 15 | 24 | 33 | 44 | 53 | 58 | 56 | 49 | 37 | 30 | 20 | 36 |
| Avg Max Temp (°F) | 31 | 34 | 43 | 56 | 69 | 77 | 81 | 79 | 70 | 60 | 47 | 36 | 57 |
| Avg Precip (In.) | 2.83 | 2.21 | 2.85 | 3.61 | 3.5 | 3.55 | 3.45 | 3.59 | 3.76 | 3.47 | 3.1 | 2.73 | 38.63 |