| 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 5a: -20°F to -15°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 12941 - Jay, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 6 | 8 | 18 | 31 | 42 | 51 | 56 | 54 | 46 | 35 | 26 | 14 | 32 |
| Avg Max Temp (°F) | 27 | 31 | 40 | 53 | 67 | 76 | 80 | 78 | 69 | 57 | 44 | 32 | 55 |
| Avg Precip (In.) | 2.36 | 1.97 | 2.4 | 2.88 | 3.08 | 3.38 | 3.38 | 3.84 | 3.48 | 3.09 | 3.09 | 2.35 | 35.27 |