| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | Jun. 11 - Jun. 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 69c - Greenbriar Karst |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 24946 - Hillsboro, WV | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 18 | 26 | 34 | 44 | 53 | 58 | 56 | 50 | 37 | 28 | 20 | 37 |
| Avg Max Temp (°F) | 37 | 42 | 51 | 62 | 71 | 78 | 82 | 80 | 74 | 64 | 52 | 41 | 61 |
| Avg Precip (In.) | 3.87 | 3.25 | 4.23 | 3.45 | 4.43 | 3.75 | 4.35 | 3.89 | 3.4 | 3.07 | 3.39 | 3.51 | 44.59 |