McAdenville, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50 °F (low) to 72 °F (high). Annual precipitation averages 43.6 Inches. McAdenville is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 30.7 °F | 52.4 °F | 3.6 in. |
| February | 33.4 °F | 56.2 °F | 3.11 in. |
| March | 39.8 °F | 63.8 °F | 3.85 in. |
| April | 48.6 °F | 72.7 °F | 3.55 in. |
| May | 57.8 °F | 79.6 °F | 3.6 in. |
| June | 66.0 °F | 86.6 °F | 4.2 in. |
| July | 69.6 °F | 90.0 °F | 3.68 in. |
| August | 68.5 °F | 88.3 °F | 4.28 in. |
| September | 62.7 °F | 83.1 °F | 3.9 in. |
| October | 50.1 °F | 73.5 °F | 3.2 in. |
| November | 39.0 °F | 63.0 °F | 3.02 in. |
| December | 33.4 °F | 55.0 °F | 3.63 in. |
| Annual | 50 °F | 72 °F | 43.62 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |