| 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 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 70a - Permian Hills |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 25276 - Spencer, WV | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 21 | 29 | 37 | 47 | 57 | 62 | 60 | 52 | 40 | 31 | 25 | 40 |
| Avg Max Temp (°F) | 41 | 45 | 56 | 66 | 75 | 82 | 86 | 84 | 78 | 68 | 56 | 45 | 65 |
| Avg Precip (In.) | 3.51 | 3.17 | 3.86 | 3.36 | 4.29 | 3.97 | 4.88 | 4.14 | 3.76 | 3.05 | 3.59 | 3.46 | 45.04 |