| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7b: 5°F to 10°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 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: | 67f - Southern Limestone/Dolomite Valleys and Low Rolling Hills | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 24066 - Buchanan, VA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 23 | 25 | 32 | 40 | 50 | 59 | 63 | 62 | 55 | 43 | 33 | 26 | 43 |
| Avg Max Temp (°F) | 44 | 49 | 59 | 69 | 77 | 84 | 88 | 87 | 80 | 70 | 58 | 48 | 68 |
| Avg Precip (In.) | 3.4 | 3.01 | 3.69 | 3.32 | 4.06 | 3.47 | 4.42 | 3.45 | 3.66 | 3.26 | 3.15 | 2.77 | 41.67 |