| 2023 Hardiness Zone: | 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 |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 69d - Dissected Appalachian Plateau |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 24273 - Norton, VA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 23 | 26 | 33 | 40 | 48 | 56 | 60 | 59 | 53 | 42 | 34 | 27 | 42 |
| Avg Max Temp (°F) | 41 | 46 | 55 | 64 | 71 | 77 | 80 | 79 | 74 | 65 | 55 | 45 | 63 |
| Avg Precip (In.) | 4.54 | 4.27 | 4.41 | 3.95 | 4.83 | 4.83 | 4.89 | 4.05 | 3.55 | 2.99 | 3.61 | 4.21 | 50.14 |