Mint Hill, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.3 °F (low) to 71.4 °F (high). Annual precipitation averages 45.7 Inches. Mint Hill is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.5 °F | 51.8 °F | 3.72 in. |
| February | 34.9 °F | 55.6 °F | 3.17 in. |
| March | 41.7 °F | 63.0 °F | 4.13 in. |
| April | 50.3 °F | 72.0 °F | 3.77 in. |
| May | 59.1 °F | 79.1 °F | 3.38 in. |
| June | 67.1 °F | 86.0 °F | 4.29 in. |
| July | 70.6 °F | 89.4 °F | 4.17 in. |
| August | 69.3 °F | 87.7 °F | 4.49 in. |
| September | 63.7 °F | 82.3 °F | 4.24 in. |
| October | 51.6 °F | 72.6 °F | 3.41 in. |
| November | 40.7 °F | 62.6 °F | 3.26 in. |
| December | 34.8 °F | 54.5 °F | 3.66 in. |
| Annual | 51.3 °F | 71.4 °F | 45.69 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |