Weather in Charleston County, United States in July

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

July is a hot and slightly rainy time for sunbathing in Charleston County. July 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 July.

Temperature in Charleston County in July

The average maximum temperature in Charleston County in July is 32°. The average maximum temperature is 31° in the previous month and 32° in the next month.

The average temperature in Charleston County in July is 28°. The average temperature ranges is 27° in the previous month and 28° in the next month.

The average minimum temperature in Charleston County in July is 24°. The minimum temperature is 23° in the previous month and 24° in the next month.

Sunshine in Charleston County in July

The average day light hours per day in Charleston County in July are 14.1 and there are 9.3 hours of sunshine per day on average during July making it a sunny month with few clouds.

The ultraviolet index in Charleston County in July is typically 11.2 during July. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. 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 July

The average sea water temperature in Charleston County in July is 27.9° which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Charleston County in July

The average total rainfall in Charleston County in July is 50cm and on average there are 10.3 rainy days in July making it a slightly wet time to visit the beach.

Humidity in Charleston County in July

The maximum dew point (an indicator of humidity) in Charleston County in July is 25° 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 24° in the previous month and 26° in the next month.

The average maximum relative humidity in Charleston County in July is typically 92.4%. The maximum relative humidity is 93.7% in the previous month and 95.9% in the next month.

The average relative humidity in Charleston County in July is typically 77.8%. The average relative humidity is 75.7% in the previous month and 80.9% in the next month.

Wind Speed in Charleston County in July

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

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

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