| 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 6b: -5°F to 0°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F | |
| 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: | 60d - Finger Lakes Uplands and Gorges | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 14527 - Penn Yan, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 15 | 24 | 34 | 45 | 55 | 60 | 58 | 51 | 40 | 31 | 22 | 37 |
| Avg Max Temp (°F) | 32 | 34 | 44 | 56 | 69 | 77 | 82 | 80 | 72 | 61 | 47 | 37 | 58 |
| Avg Precip (In.) | 1.84 | 1.67 | 2.25 | 2.94 | 3.06 | 3.88 | 3.29 | 3.32 | 3.71 | 2.96 | 2.93 | 2.29 | 34.14 |