March is a slightly cold and slightly rainy time for sunbathing in Charleston County. March is a little too cold to enjoy swimming in Charleston County for any length of time. Consider visiting Charleston County in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for March.
The average maximum temperature in Charleston County in March is 19°. The average maximum temperature is 16° in the previous month and 24° in the next month.
The average temperature in Charleston County in March is 14°. The average temperature ranges is 11° in the previous month and 19° in the next month.
The average minimum temperature in Charleston County in March is 9°. The minimum temperature is 6° in the previous month and 14° in the next month.
The average day light hours per day in Charleston County in March are 12 and there are 6.8 hours of sunshine per day on average during March making it a quite sunny month with some cloud cover.
The ultraviolet index in Charleston County in March is typically 7.4 during March. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in Charleston County in March is 19.5° which is comfortable for swimming though some may prefer warmer water.
The average total rainfall in Charleston County in March is 32.4cm and on average there are 9 rainy days in March making it a slightly wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Charleston County in March is 12° which is very comfortable. The dew point is 9° in the previous month and 16° in the next month.
The average maximum relative humidity in Charleston County in March is typically 91.8%. The maximum relative humidity is 91.3% in the previous month and 93.1% in the next month.
The average relative humidity in Charleston County in March is typically 70.9%. The average relative humidity is 72.1% in the previous month and 72.7% in the next month.
The average maximum wind speed in Charleston County in March is typically 27kmh. The average maximum wind speed is 26kmh in the previous month and 27kmh in the next month.
The average wind speed in Charleston County in March is typically 12kmh. The average wind speed is 11kmh in the previous month and 12kmh in the next month.
The average wind direction in Charleston County in March is from the West-Southwest.
