| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F 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 Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 69c - Greenbriar Karst | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 24910 - Alderson, WV | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 23 | 30 | 38 | 47 | 57 | 61 | 60 | 54 | 41 | 32 | 25 | 41 |
| Avg Max Temp (°F) | 41 | 45 | 54 | 64 | 73 | 80 | 83 | 82 | 76 | 67 | 55 | 45 | 64 |
| Avg Precip (In.) | 3.2 | 2.94 | 3.63 | 3.31 | 4.2 | 3.66 | 4.1 | 3.24 | 3.15 | 2.78 | 2.77 | 3.03 | 40.01 |