Weather in Charleston County, United States in April

So you're interested in going to Charleston County, United States in April

April is a warm and slightly rainy time for sunbathing in Charleston County. April 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 April.

Temperature in Charleston County in April

The average maximum temperature in Charleston County in April is 24°. The average maximum temperature is 20° in the previous month and 28° in the next month.

The average temperature in Charleston County in April is 19°. The average temperature ranges is 14° in the previous month and 23° in the next month.

The average minimum temperature in Charleston County in April is 14°. The minimum temperature is in the previous month and 19° in the next month.

Sunshine in Charleston County in April

The average day light hours per day in Charleston County in April are 13 and there are 7.3 hours of sunshine per day on average during April making it a quite sunny month with some cloud cover.

The ultraviolet index in Charleston County in April is typically 9.4 during April. 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.

Sea Temperature in Charleston County in April

The average sea water temperature in Charleston County in April is 20° which is comfortable for swimming though some may prefer warmer water.

Rainfall in Charleston County in April

The average total rainfall in Charleston County in April is 20.2cm and on average there are 7.9 rainy days in April making it a slightly wet time to visit the beach.

Humidity in Charleston County in April

The maximum dew point (an indicator of humidity) in Charleston County in April is 17° which is OK for most but slightly uncomfortable for some. The dew point is 12° in the previous month and 20° in the next month.

The average maximum relative humidity in Charleston County in April is typically 94.9%. The maximum relative humidity is 93.4% in the previous month and 93.9% in the next month.

The average relative humidity in Charleston County in April is typically 73.8%. The average relative humidity is 72.1% in the previous month and 75% in the next month.

Wind Speed in Charleston County in April

The average maximum wind speed in Charleston County in April is typically 27kmh. The average maximum wind speed is 26kmh in the previous month and 25kmh in the next month.

The average wind speed in Charleston County in April is typically 12kmh. The average wind speed is 12kmh in the previous month and 11kmh in the next month.

The average wind direction in Charleston County in April is from the South.