temperature in south carolina in march
Key weather averages for South Carolina in March. 1  20. 20Â°C max day temperature. 2  8. 8 hours of sunshine per day. 3  10. 10 days with some rainfall. 4  5. 5Â°C min night temperature. 5  12. 12 hours of daylight per day. 6  0. No heat & humidity. 7  120. 120 mm of monthly rainfall. 8  6. 6 (High) UV index.