| 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: | Sep. 21 - Sep. 30 | |
| Average Last Frost Date: | Jun. 1 - Jun. 10 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 60e - Glaciated Allegheny Hills | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 14895 - Wellsville, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 11 | 20 | 30 | 40 | 49 | 53 | 52 | 45 | 35 | 27 | 18 | 33 |
| Avg Max Temp (°F) | 31 | 34 | 43 | 55 | 67 | 75 | 79 | 77 | 70 | 59 | 46 | 35 | 56 |
| Avg Precip (In.) | 2.03 | 1.71 | 2.42 | 2.81 | 3.26 | 4.63 | 3.58 | 3.08 | 3.57 | 2.97 | 2.68 | 2.26 | 35.01 |