| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 60b - Northeastern Uplands |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 13865 - Windsor, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 14 | 23 | 33 | 43 | 52 | 57 | 56 | 48 | 37 | 29 | 19 | 35 |
| Avg Max Temp (°F) | 31 | 34 | 44 | 57 | 69 | 77 | 81 | 79 | 71 | 60 | 47 | 36 | 57 |
| Avg Precip (In.) | 2.85 | 2.44 | 3.1 | 3.6 | 3.86 | 4.16 | 3.9 | 3.72 | 3.82 | 3.5 | 3.67 | 3.05 | 41.65 |