| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| 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: | 70b - Monongahela Transition Zone |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 25268 - Orma, WV | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 22 | 29 | 38 | 48 | 57 | 62 | 60 | 53 | 40 | 32 | 25 | 41 |
| Avg Max Temp (°F) | 41 | 46 | 56 | 66 | 75 | 82 | 85 | 84 | 78 | 68 | 56 | 46 | 65 |
| Avg Precip (In.) | 3.67 | 3.19 | 4.05 | 3.54 | 4.43 | 4.28 | 4.96 | 4.4 | 3.61 | 2.95 | 3.51 | 3.57 | 46.17 |