Charleston Weather in July: Temperature, Precipitation, Wind
Charleston, United States experiences a hot and humid subtropical climate in July. The average temperature reaches 23.7°C (74.7°F), with daytime highs soaring to 29.4°C (85.0°F) and nighttime lows dipping to 19.0°C (66.3°F). Heat indices exceed the actual temperature, with the average maximum feels-like temperature climbing to 30.9°C (87.6°F).
Humidity levels in Charleston during July are notably high, averaging 80.4%. The combination of heat and humidity creates a muggy atmosphere, in popular areas like the historic downtown district and Folly Beach. Precipitation is common, with an average of 3.51 inches (89.2 mm) of rainfall throughout the month. Rain occurs on approximately 18 days, covering 13.8% of the time.
Wind conditions in Charleston during July are moderate. Average wind speeds measure 19.0 km/h (11.8 mph), with gusts reaching up to 35.8 km/h (22.2 mph). The prevailing winds provide some relief from the heat, especially along the coastline at Sullivan’s Island and Isle of Palms.
Cloud cover is substantial in July, averaging 62.7%. Despite the cloud presence, visibility remains good at 14.0 km (8.7 miles). The UV index averages 6.9, indicating high levels of solar radiation. Visitors and residents should take precautions when spending time outdoors, at midday.
Severe weather risk in Charleston during July is considerable, with an average severe risk factor of 32.6%. Thunderstorms are the most common form of severe weather, bringing heavy rain and lightning to the area. The Charleston Harbor and nearby beaches are susceptible to sudden weather changes during this period.
Daylight hours are long in July, with sunrise occurring around 6:16 AM and sunset at approximately 8:48 PM. The extended daylight provides ample opportunity for outdoor activities in popular locations such as Waterfront Park and the Charleston City Market.
What is the temperature in Charleston in July?
Average air temperature in Charleston is 23.7°C (74.7°F) in July. The outside temperature in Charleston feels like 24.2°C (75.5°F) on a typical July day. The highest average temperature during sunny days is 29.4°C (85°F) and feels like 30.9°C (87.6°F). The lowest average temperature after dark is 19°C (66.3°F) which feels like 19°C (66.3°F).
How hot is Charleston in July?
The hot temperature in July in Charleston rises to 32.8°C (91°F) on sunny days with low cloud coverage and 80.4% humidity. During hottest days of July it feels like 37.9 °C (100.2°F). The average maximum temp in Charleston is 29.4°C (100.2°F) during day time in July.
How cold is Charleston in July?
The coldest temp in Charleston in July drops to 14.4°C (57.9°F) during the cold nights. With 19km/h (11.8mph) winds and 80.4% humidity it feels like 14.4°C (57.9°F) on the coldest nights. The average minimum temperature is 19°C (66.3°F) during night time in July.
Does it rain in Charleston in July?
Yes, it rains for 18 days in Charleston, United States in July averaging 3.51 mm of precipitation. Charleston has a 58.1% chance for rain throughout the entire month of July.
How much does it rain in Charleston throughout July?
Charleston has 3.51 mm (0.14 inch) of rain per day on average in July. It rains for an average of 18 days out of the entire month.
Is Charleston windy in July?
The average speed of wind in Charleston, United States during July is 19km/h (11.8mph) and average windgust is 35.8km/h (22.3mph). On some days in July wind can reach up to 49.8km/h (30.9mph).
What is the direction of the wind in Charleston in July?
Most days of July the wind is blowing from South-Southwest direction in Charleston.
What are the humidity levels in Charleston in July?
The average humidity levels in Charleston in July are 80.4%. Daily humidity levels in Charleston range from 69.1% to 94.3% during July.
How many hours of daylight are in Charleston in July?
Charleston has 14 hours 31 minutes of daylight in July on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Charleston in July is at 6:16:16 and the sunset is at 20:48:03.
What is the cloud coverage in Charleston in July?
Clouds cover 62.7% of the sky on average throughout July in Charleston. The cloud coverage ranges from 23.9% to 93.3% depending on the day of the month.
What is the UV level in July in Charleston?
The average UV index in Charleston is 6.9 in July. UV levels change throughout the month and range from 3 to 9.
What is the solar radiation in Charleston in July?
The average solar radiation is 127.4 W/m2 (Watts per square meter) in Charleston during July. However solar radiation levels change throughout the month and range from 72.2 W/m2 to 171.5 W/m2.
What is the solar energy during July in Charleston?
The average solar energy during July in Charleston is 11 MJ/m2 (megajoules per square metre). Solar energy ranges from 6.3 MJ/m2, to 14.7 MJ/m2 during July.
Are there severe weather risks in Charleston in July?
Yes, there is a 32.6% risk for severe weather in Charleston, United States in July.
What is the air pressure in Charleston in July?
On average the air pressure in Charleston in July is 1014.4 mb (millibars). Throughout the month the sea level pressure ranges from 1009.8 mb to 1019 mb.
What is the visibility in Charleston in July?
The average daylight visibility in Charleston in July is 14 km (8.7 miles). Depending on the precipitation the visibility ranges from 9.1 km (5.7 miles) to 16 km (9.9 miles) throughout July.
What is the dew point in Charleston in July?
The average dew point in Charleston during July is 19.5°C (67.1°F).
Where is the data for Charleston climate in July coming from?
The climate data for Charleston, South Carolina, United States in July is collected from the following weather stations.
- BECKLEY RALEIGH CO AIRPORT, WV US
- CHARLESTON YEAGER AIRPORT, WV US
- HUNTINGTON TRI STATE AIRPORT, WV US
- BEE MOUNTAIN WV US
- FW6696 Charleston WV US
- FW7791 South Charleston WV US
- KBKW
- KCRW
- KHTS