Mount Pleasant, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.8 °F (low) to 71.3 °F (high). Annual precipitation averages 46 Inches. 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 | 29.4 °F | 51.5 °F | 3.6 in. |
| February | 32.0 °F | 55.3 °F | 3.12 in. |
| March | 38.6 °F | 62.7 °F | 3.92 in. |
| April | 47.6 °F | 72.0 °F | 3.95 in. |
| May | 56.7 °F | 79.1 °F | 3.11 in. |
| June | 65.1 °F | 86.1 °F | 3.97 in. |
| July | 68.8 °F | 89.3 °F | 4.93 in. |
| August | 67.4 °F | 87.6 °F | 4.8 in. |
| September | 61.2 °F | 82.1 °F | 4.27 in. |
| October | 48.6 °F | 72.8 °F | 3.13 in. |
| November | 37.7 °F | 62.5 °F | 3.45 in. |
| December | 32.2 °F | 54.2 °F | 3.71 in. |
| Annual | 48.8 °F | 71.3 °F | 45.96 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 7b : 5°F to 10°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |