| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F 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 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 | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 24137 - Penhook, VA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 26 | 33 | 41 | 51 | 60 | 64 | 62 | 56 | 43 | 34 | 27 | 43 |
| Avg Max Temp (°F) | 46 | 50 | 58 | 68 | 76 | 83 | 87 | 86 | 80 | 70 | 59 | 50 | 68 |
| Avg Precip (In.) | 3.73 | 3.22 | 4.13 | 3.72 | 4.21 | 3.71 | 4.2 | 3.55 | 4.17 | 3.57 | 3.31 | 3.16 | 44.69 |