Charleston Weather in July

July in Charleston brings very high temperatures, with daytime highs of 32°C (90°F) and nights around 24°C (75°F). Quite a bit of rainfall is expected, around 129 mm (5.1 in), so pack an umbrella.

Rainfall in Charleston in July

This month experiences about 15 days of rain according to historical data, averaging 129 mm (5.1 in). Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Charleston in July

In July, Charleston sees very high temperatures, with highs of 32°C (90°F). Nights drop to around 24°C (75°F). It's usually most comfortable outside during the morning and later in the day. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference. Typical temperatures can be misleading; some days will be hotter. Prepare with light clothing and plenty of hydration to stay cool.

Sunshine in Charleston in July

With approximately 288 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If you prefer enjoying temperate temperatures and rain-free days, April and May typically offer 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.