| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 45e - Northern Inner Piedmont |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 23936 - Dillwyn, VA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 25 | 26 | 34 | 42 | 51 | 60 | 65 | 63 | 56 | 44 | 35 | 28 | 44 |
| Avg Max Temp (°F) | 46 | 50 | 59 | 69 | 76 | 84 | 88 | 86 | 80 | 70 | 60 | 50 | 68 |
| Avg Precip (In.) | 3.64 | 3.18 | 3.96 | 3.27 | 4.36 | 3.49 | 4.24 | 3.91 | 4.1 | 3.92 | 3.57 | 3.13 | 44.76 |