Weather in Charleston County, United States in August

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

August is a hot and slightly rainy time for sunbathing in Charleston County. August is an excellent month for swimming in Charleston County with very warm sea temperatures. 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 August.

Temperature in Charleston County in August

The average maximum temperature in Charleston County in August is 32°. The average maximum temperature is 32° in the previous month and 30° in the next month.

The average temperature in Charleston County in August is 28°. The average temperature ranges is 28° in the previous month and 25° in the next month.

The average minimum temperature in Charleston County in August is 24°. The minimum temperature is 24° in the previous month and 21° in the next month.

Sunshine in Charleston County in August

The average day light hours per day in Charleston County in August are 13.4 and there are 9.3 hours of sunshine per day on average during August making it a sunny month with few clouds.

The ultraviolet index in Charleston County in August is typically 10.6 during August. 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 August

The average sea water temperature in Charleston County in August is 28.1° which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Charleston County in August

The average total rainfall in Charleston County in August is 51.9cm and on average there are 10.8 rainy days in August making it a slightly wet time to visit the beach.

Humidity in Charleston County in August

The maximum dew point (an indicator of humidity) in Charleston County in August is 26° which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning. The dew point is 25° in the previous month and 23° in the next month.

The average maximum relative humidity in Charleston County in August is typically 95.9%. The maximum relative humidity is 92.4% in the previous month and 95.3% in the next month.

The average relative humidity in Charleston County in August is typically 80.9%. The average relative humidity is 77.8% in the previous month and 80.5% in the next month.

Wind Speed in Charleston County in August

The average maximum wind speed in Charleston County in August is typically 22kmh. The average maximum wind speed is 24kmh in the previous month and 21kmh in the next month.

The average wind speed in Charleston County in August is typically 7kmh. The average wind speed is 9kmh in the previous month and 8kmh in the next month.

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