| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°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 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 67f - Southern Limestone/Dolomite Valleys and Low Rolling Hills |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 24370 - Saltville, VA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 22 | 29 | 37 | 46 | 54 | 58 | 57 | 50 | 37 | 30 | 24 | 39 |
| Avg Max Temp (°F) | 43 | 46 | 55 | 65 | 73 | 80 | 83 | 82 | 77 | 67 | 56 | 46 | 64 |
| Avg Precip (In.) | 3.51 | 3.29 | 3.72 | 3.74 | 4.73 | 4.29 | 4.43 | 3.91 | 3.28 | 3 | 3.01 | 3.23 | 44.13 |