| 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 1 - May 10 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 67d - Northern Dissected Ridges and Knobs | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 26726 - Keyser, WV | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 21 | 29 | 38 | 47 | 56 | 60 | 59 | 52 | 40 | 32 | 24 | 40 |
| Avg Max Temp (°F) | 37 | 41 | 51 | 63 | 72 | 80 | 84 | 82 | 76 | 65 | 52 | 41 | 62 |
| Avg Precip (In.) | 2.97 | 2.36 | 3.16 | 3.18 | 3.47 | 3.21 | 2.98 | 3.37 | 2.98 | 2.66 | 2.17 | 2.13 | 34.63 |