Mooresville, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.1 °C (low) to 21.3 °C (high). Annual precipitation averages 1166.6 Millimeters. Mooresville 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 Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.4 °C | 10.2 °C | 90.17 mm |
| February | -0.2 °C | 12.4 °C | 78.99 mm |
| March | 3.5 °C | 16.7 °C | 105.66 mm |
| April | 8.3 °C | 21.7 °C | 101.6 mm |
| May | 13.5 °C | 25.6 °C | 95.25 mm |
| June | 18.1 °C | 29.6 °C | 108.97 mm |
| July | 20.2 °C | 31.2 °C | 105.41 mm |
| August | 19.3 °C | 30.4 °C | 108.97 mm |
| September | 15.8 °C | 27.3 °C | 106.43 mm |
| October | 8.9 °C | 22.2 °C | 84.33 mm |
| November | 2.9 °C | 16.3 °C | 84.58 mm |
| December | -0.1 °C | 11.8 °C | 96.27 mm |
| Annual | 9.1 °C | 21.3 °C | 1166.63 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |