Campobello, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.1 °F (low) to 71.4 °F (high). Annual precipitation averages 54.3 Inches. Campobello 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 30.7 °F | 51.9 °F | 4.6 in. |
| February | 33.2 °F | 55.9 °F | 3.98 in. |
| March | 39.6 °F | 63.5 °F | 4.75 in. |
| April | 47.5 °F | 72.3 °F | 4.53 in. |
| May | 56.3 °F | 79.3 °F | 4.37 in. |
| June | 64.3 °F | 85.7 °F | 4.69 in. |
| July | 68.0 °F | 89.2 °F | 4.87 in. |
| August | 66.9 °F | 87.4 °F | 4.96 in. |
| September | 61.1 °F | 82.1 °F | 4.52 in. |
| October | 49.3 °F | 72.6 °F | 3.94 in. |
| November | 38.7 °F | 62.3 °F | 4.13 in. |
| December | 33.5 °F | 54.2 °F | 4.92 in. |
| Annual | 49.1 °F | 71.4 °F | 54.26 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |