Ladson, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.1 °F (low) to 75.8 °F (high). Annual precipitation averages 54.8 Inches. Ladson is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.0 °F | 59.1 °F | 3.31 in. |
| February | 39.6 °F | 62.2 °F | 3.5 in. |
| March | 45.6 °F | 68.7 °F | 3.68 in. |
| April | 53.3 °F | 76.1 °F | 3.56 in. |
| May | 62.0 °F | 82.7 °F | 3.63 in. |
| June | 69.4 °F | 88.1 °F | 6.32 in. |
| July | 72.8 °F | 90.9 °F | 7.05 in. |
| August | 72.0 °F | 89.3 °F | 7.13 in. |
| September | 67.2 °F | 85.0 °F | 5.66 in. |
| October | 56.3 °F | 77.2 °F | 4.25 in. |
| November | 45.6 °F | 68.5 °F | 2.86 in. |
| December | 39.9 °F | 61.6 °F | 3.81 in. |
| Annual | 55.1 °F | 75.8 °F | 54.76 in. |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |