Mount Pleasant, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.3 °C (low) to 21.8 °C (high). Annual precipitation averages 1167.4 Millimeters. Mount Pleasant 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 | -1.4 °C | 10.8 °C | 91.44 mm |
| February | 0 °C | 12.9 °C | 79.25 mm |
| March | 3.7 °C | 17.1 °C | 99.57 mm |
| April | 8.7 °C | 22.2 °C | 100.33 mm |
| May | 13.7 °C | 26.2 °C | 78.99 mm |
| June | 18.4 °C | 30.1 °C | 100.84 mm |
| July | 20.4 °C | 31.8 °C | 125.22 mm |
| August | 19.7 °C | 30.9 °C | 121.92 mm |
| September | 16.2 °C | 27.8 °C | 108.46 mm |
| October | 9.2 °C | 22.7 °C | 79.5 mm |
| November | 3.2 °C | 16.9 °C | 87.63 mm |
| December | 0.1 °C | 12.3 °C | 94.23 mm |
| Annual | 9.3 °C | 21.8 °C | 1167.38 mm |
| 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 : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |