Weather history and climate summary information is available for the following locations:
- Beaufort
- Charleston
- Colombia
- Myrtle Beach
- Sumter
Warmest March Days
The warmest March days in South Carolina are:
| Colombia, South Carolina | 1974 | 91°F |
| Beaufort, South Carolina | 1982 | 91°F |
| Charleston, South Carolina | 1963 | 90.3°F |
| Colombia, South Carolina | 1945 | 90.3°F |
| Charleston, South Carolina | 1974 | 90°F |
Coldest March Days
The coldest March days in South Carolina were:
| Colombia, South Carolina | 1980 | 3.9°F |
| Charleston, South Carolina | 1980 | 14.9°F |
| Sumter, South Carolina | 1980 | 16.2°F |
| Sumter, South Carolina | 1993 | 16.9°F |
| Colombia, South Carolina | 2002 | 17.1°F |
Wettest March Days
The wettest single days in March occurred:
| Colombia, South Carolina | 1973 | 6.3 inches |
| Myrtle Beach, South Carolina | 1983 | 5.6 inches |
| Sumter, South Carolina | 1971 | 5.4 inches |
| Charleston, South Carolina | 1959 | 4.5 inches |
| Beaufort, South Carolina | 2012 | 4.2 inches |