| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| 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: | 60d - Finger Lakes Uplands and Gorges |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 14837 - Dundee, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 16 | 24 | 34 | 45 | 55 | 60 | 58 | 50 | 40 | 31 | 22 | 37 |
| Avg Max Temp (°F) | 32 | 34 | 44 | 56 | 68 | 77 | 81 | 80 | 72 | 60 | 48 | 37 | 57 |
| Avg Precip (In.) | 1.75 | 1.68 | 2.31 | 2.93 | 3.04 | 3.9 | 3.65 | 3.34 | 3.62 | 2.84 | 2.83 | 2.22 | 34.09 |