| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 67k - Northern Glaciated Shale and Slate Valleys |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 12486 - Tillson, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 17 | 19 | 27 | 38 | 49 | 58 | 63 | 62 | 54 | 43 | 34 | 23 | 41 |
| Avg Max Temp (°F) | 33 | 36 | 46 | 59 | 70 | 77 | 81 | 79 | 72 | 61 | 48 | 37 | 58 |
| Avg Precip (In.) | 3.96 | 3.02 | 3.94 | 4.06 | 4.76 | 4.31 | 4.32 | 3.99 | 4.41 | 3.81 | 3.99 | 3.77 | 48.35 |