| 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 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 70f - Ohio/Kentucky Carboniferous Plateau |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 45764 - Nelsonville, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 17 | 19 | 28 | 36 | 46 | 55 | 59 | 58 | 51 | 38 | 31 | 23 | 39 |
| Avg Max Temp (°F) | 37 | 41 | 53 | 64 | 74 | 81 | 84 | 83 | 77 | 66 | 53 | 42 | 63 |
| Avg Precip (In.) | 2.67 | 2.53 | 3.03 | 3.17 | 4.25 | 3.55 | 4.03 | 3.68 | 2.53 | 2.49 | 2.79 | 2.87 | 37.59 |