Charleston Weather in July

July in Charleston brings very high temperatures around 32°C (90°F) during the day, dropping to 21°C (70°F) at night, with quite a bit of rainfall expected, averaging around 110 mm (4.3 in) for the month.

Rainfall in Charleston in July

Historically, July sees about 10 days of rain, with a monthly average of 110 mm (4.3 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Charleston in July

In July, Charleston gets very high temperatures, with highs of 32°C (90°F). Nights cool to around 21°C (70°F). It's usually most comfortable outside during the morning and later in the day. Nights remain mild at 21°C (70°F), making evenings a pleasant time to be outdoors. These temperatures are typical, but it's wise to prepare for hotter days. Dress in light, airy clothing and protect yourself from the sun.

For Charleston itself, September generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.