July · United States
Best time to visit Charleston in July Weather, crowds & prices
Weather in Charleston in July
Average temperature 28°C, 193 mm of rain, about 30 days with 6+ hours of sunshine and 80% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
July score
4.1/10
Ranked #11 of 12 months
- Avg temp
- 28°C
- Rainfall
- 193 mm
- Humidity
- 80%
- Days with 6h+ sun
- 30
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
July in Charleston scores 4.1/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around 28°C, 193 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Charleston's peninsula holds the French Quarter, Rainbow Row, and the Battery, where the Ashley and Cooper rivers meet the harbor.
July in Charleston — the hardest end of the year
July averages 28°C (83°F) and humidity near 80%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 193 mm — wet for this destination — but about 30 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 4.1/10 here, 11th of 12 months, against 8.8/10 in the destination's best month.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? October scores 4.7 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Charleston in July?
- In July, Charleston averages 28°C, 193 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 4.1/10.
- Is July a good time to visit Charleston?
- July earns a 4.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Charleston in July?
- Expect about 193 mm of rain in July. Average humidity is 80% and there are about 30 days with 6+ hours of sunshine.
Curated in Charleston
Tickets & experiences
Things to do in Charleston
Charleston, United States. Live activities and tours from GetYourGuide, matched to this destination.