| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F 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. 11 - Oct. 20 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 60d - Finger Lakes Uplands and Gorges |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 14418 - Branchport, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 14 | 15 | 23 | 33 | 44 | 54 | 59 | 57 | 50 | 39 | 30 | 20 | 36 |
| Avg Max Temp (°F) | 31 | 33 | 43 | 55 | 68 | 76 | 80 | 79 | 71 | 59 | 47 | 36 | 56 |
| Avg Precip (In.) | 1.81 | 1.6 | 1.8 | 2.56 | 3.17 | 3.97 | 3.26 | 3.31 | 3.81 | 2.98 | 2.73 | 2.18 | 33.18 |