| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°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. 1 - Oct. 10 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 60a - Glaciated Low Plateau | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 14845 - Horseheads, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 15 | 23 | 34 | 44 | 53 | 58 | 56 | 49 | 38 | 30 | 21 | 36 |
| Avg Max Temp (°F) | 33 | 35 | 45 | 57 | 70 | 78 | 82 | 81 | 73 | 61 | 48 | 37 | 58 |
| Avg Precip (In.) | 1.94 | 1.97 | 2.59 | 2.96 | 3.04 | 3.99 | 3.37 | 3.24 | 3.52 | 2.82 | 2.98 | 2.35 | 34.75 |