| 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 6b: -5F to 0F |
| 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: | 45f - Northern Outer Piedmont |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 23139 - Powhatan, VA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 27 | 34 | 42 | 51 | 60 | 65 | 64 | 57 | 44 | 35 | 28 | 44 |
| Avg Max Temp (°F) | 46 | 50 | 60 | 70 | 77 | 85 | 89 | 87 | 81 | 71 | 61 | 51 | 69 |
| Avg Precip (In.) | 3.79 | 3.14 | 3.98 | 3.27 | 3.9 | 3.23 | 4.21 | 3.77 | 3.5 | 3.58 | 3.44 | 3.25 | 43.08 |