| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| 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: | 70b - Monongahela Transition Zone |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 25559 - Salt Rock, WV | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 23 | 30 | 39 | 48 | 58 | 63 | 61 | 53 | 40 | 32 | 24 | 41 |
| Avg Max Temp (°F) | 42 | 46 | 56 | 66 | 75 | 83 | 86 | 85 | 78 | 68 | 57 | 46 | 66 |
| Avg Precip (In.) | 3.33 | 3.17 | 3.84 | 3.43 | 4.46 | 4.13 | 4.77 | 4.16 | 3.12 | 2.84 | 3.47 | 3.56 | 44.29 |