| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°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: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 70b - Monongahela Transition Zone |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 26571 - Farmington, WV | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 19 | 21 | 29 | 37 | 47 | 55 | 60 | 59 | 52 | 40 | 32 | 24 | 40 |
| Avg Max Temp (°F) | 39 | 42 | 54 | 64 | 74 | 81 | 84 | 83 | 77 | 66 | 53 | 43 | 63 |
| Avg Precip (In.) | 3.65 | 3.18 | 4.07 | 3.65 | 4.45 | 4.34 | 4.63 | 4.28 | 3.43 | 2.82 | 3.46 | 3.32 | 45.28 |