McGaheysville, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 43.3 °F (low) to 65.9 °F (high). Annual precipitation averages 40.4 Inches. McGaheysville is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.7 °F | 43.8 °F | 2.86 in. |
| February | 25.8 °F | 47.2 °F | 2.26 in. |
| March | 31.9 °F | 55.1 °F | 3.08 in. |
| April | 41.5 °F | 66.6 °F | 3.2 in. |
| May | 51.2 °F | 74.6 °F | 3.82 in. |
| June | 60.2 °F | 82.6 °F | 4.22 in. |
| July | 64.0 °F | 86.2 °F | 4.17 in. |
| August | 62.3 °F | 84.8 °F | 3.55 in. |
| September | 55.5 °F | 78.5 °F | 4.41 in. |
| October | 43.5 °F | 67.9 °F | 3.02 in. |
| November | 33.3 °F | 56.8 °F | 2.84 in. |
| December | 27.2 °F | 47.2 °F | 2.97 in. |
| Annual | 43.3 °F | 65.9 °F | 40.4 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 | Cfa - Humid Subtropical Climate |