| 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 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 58ac - Eastern Adirondack Foothills |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 12997 - Wilmington, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 6 | 8 | 18 | 30 | 41 | 50 | 55 | 53 | 45 | 35 | 26 | 13 | 32 |
| Avg Max Temp (°F) | 27 | 30 | 39 | 52 | 66 | 74 | 78 | 76 | 68 | 56 | 43 | 31 | 53 |
| Avg Precip (In.) | 2.57 | 2.11 | 2.55 | 2.96 | 3.23 | 3.55 | 3.57 | 4.02 | 3.71 | 3.2 | 3.28 | 2.6 | 37.36 |