Galax, Virginia has a Temperate Oceanic Climate climate (Köppen classification: Cfb). Average annual temperatures range from 41.5 °F (low) to 63.6 °F (high). Annual precipitation averages 45.9 Inches. Galax is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.4 °F | 42.9 °F | 3.46 in. |
| February | 25.3 °F | 46.0 °F | 2.83 in. |
| March | 31.4 °F | 54.1 °F | 3.64 in. |
| April | 39.7 °F | 64.3 °F | 3.96 in. |
| May | 48.7 °F | 72.2 °F | 4.16 in. |
| June | 56.5 °F | 78.9 °F | 4.43 in. |
| July | 60.9 °F | 82.1 °F | 4.78 in. |
| August | 59.8 °F | 80.7 °F | 4.21 in. |
| September | 53.3 °F | 74.9 °F | 4.37 in. |
| October | 41.5 °F | 65.6 °F | 3.37 in. |
| November | 31.7 °F | 55.3 °F | 3.16 in. |
| December | 26.3 °F | 46.4 °F | 3.48 in. |
| Annual | 41.5 °F | 63.6 °F | 45.85 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| 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 | Cfb - Temperate Oceanic Climate |