| 2023 Hardiness Zone: | Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | May 1 - May 10 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 64c - Piedmont Uplands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 20115 - Marshall, VA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 22 | 24 | 32 | 41 | 51 | 59 | 64 | 62 | 55 | 43 | 35 | 26 | 43 |
| Avg Max Temp (°F) | 42 | 46 | 55 | 66 | 74 | 82 | 86 | 85 | 78 | 68 | 57 | 47 | 65 |
| Avg Precip (In.) | 3.22 | 2.71 | 3.57 | 3.34 | 4.31 | 3.94 | 3.84 | 3.97 | 4.01 | 3.5 | 3.51 | 3.01 | 42.93 |