| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7b: 5°F to 10°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 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: | 67b - Northern Shale Valleys | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 24422 - Clifton Forge, VA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 22 | 24 | 31 | 39 | 48 | 57 | 61 | 60 | 53 | 41 | 32 | 26 | 41 |
| Avg Max Temp (°F) | 43 | 48 | 56 | 67 | 76 | 83 | 86 | 85 | 78 | 69 | 57 | 47 | 66 |
| Avg Precip (In.) | 2.71 | 2.38 | 3.14 | 2.96 | 3.98 | 3.44 | 3.71 | 3.19 | 2.9 | 2.94 | 2.87 | 2.5 | 36.73 |