Radford, Virginia has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 42.4 °F (low) to 64.9 °F (high). Annual precipitation averages 39.7 Inches. Radford is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.7 °F | 43.1 °F | 3.13 in. |
| February | 26.0 °F | 46.6 °F | 2.59 in. |
| March | 32.1 °F | 54.8 °F | 3.39 in. |
| April | 40.7 °F | 65.7 °F | 3.54 in. |
| May | 50.1 °F | 73.9 °F | 4.06 in. |
| June | 58.1 °F | 80.8 °F | 3.88 in. |
| July | 62.0 °F | 84.2 °F | 3.87 in. |
| August | 60.9 °F | 83.0 °F | 3.3 in. |
| September | 54.1 °F | 77.5 °F | 3.19 in. |
| October | 42.3 °F | 67.4 °F | 2.86 in. |
| November | 32.3 °F | 56.0 °F | 2.73 in. |
| December | 26.9 °F | 46.3 °F | 3.2 in. |
| Annual | 42.4 °F | 64.9 °F | 39.74 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |