| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 70a - Permian Hills |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 26101 - Parkersburg, WV | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 23 | 31 | 40 | 50 | 59 | 64 | 62 | 55 | 43 | 34 | 26 | 42 |
| Avg Max Temp (°F) | 39 | 44 | 54 | 65 | 75 | 82 | 86 | 84 | 78 | 67 | 55 | 44 | 64 |
| Avg Precip (In.) | 2.89 | 2.77 | 3.64 | 3.25 | 4.12 | 3.98 | 4.46 | 3.9 | 3.07 | 2.53 | 2.97 | 3 | 40.57 |