| 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 | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 24176 - Union Hall, VA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 25 | 26 | 33 | 41 | 51 | 60 | 64 | 63 | 56 | 43 | 35 | 28 | 44 |
| Avg Max Temp (°F) | 45 | 50 | 58 | 68 | 76 | 83 | 87 | 86 | 79 | 69 | 59 | 49 | 68 |
| Avg Precip (In.) | 3.71 | 3.2 | 4.13 | 3.78 | 4.26 | 3.81 | 4.34 | 3.65 | 4.18 | 3.57 | 3.29 | 3.15 | 45.05 |