| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 21 - May 31 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 60a - Glaciated Low Plateau |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 14735 - Fillmore, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 13 | 21 | 31 | 42 | 51 | 56 | 54 | 47 | 37 | 29 | 19 | 34 |
| Avg Max Temp (°F) | 31 | 33 | 43 | 54 | 67 | 75 | 80 | 78 | 70 | 59 | 46 | 35 | 56 |
| Avg Precip (In.) | 2.07 | 1.71 | 2.4 | 2.93 | 3.2 | 4.16 | 3.44 | 3.31 | 3.95 | 3.03 | 3.05 | 2.55 | 35.79 |