July weather forecast and climate
South Carolina, USA

July is usually the hottest month of the year in South Carolina, with the average high temperatures in the high range of 79°F (26.1°C) to 95°F (35°C). Georgetown on the coast is slightly milder between 71°F (21.7°C) to 91°F (32.8°C) than Columbia in the midlands region which sees temperatures in the 73°F (22.8°C) to 95°F (35°C) range. Nights average between 62°F (16.7°C) to 73°F (22.8°C) and tend to be mild in the western mountains.
Keep a light jacket at hand while on the beach as the precipitation tends to be highest on the coast. July brings 4" (102mm) to 7" (178mm) of rainfall across the state, much in the form of afternoon thunderstorms that cool the conditions post-rain. The 8 hours of sunshine is bright, but the humidity is at a yearly high with a lot of cloud cover.
Mountain lodges and state parks are popular tourist places along with the coast. Mountain air offers a pleasant change from the heat of the plains as visitors flock to the highlands during July in South Carolina.