Climate guide for Charleston, United States

Charleston in June

Weather, crowds & best time to visit

How to read the score (0–10)
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June · United States

Best time to visit Charleston in June Weather, crowds & prices

Weather in Charleston in June

Average temperature 27°C, 110 mm of rain, about 30 days with 6+ hours of sunshine and 72% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

June score

5.8/10

Ranked #8 of 12 months

Full year for Charleston
Avg temp
27°C
Rainfall
110 mm
Humidity
72%
Days with 6h+ sun
30
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

June in Charleston scores 5.8/10 for sightseeing and cultural travel - ranked #8 of 12. Expect around 27°C, 110 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.

June in Charleston — middling scores, decent value

June averages 27°C (81°F) and humidity near 72%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Monthly rainfall reaches 110 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 5.8/10 here, 8th 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.

Figure on low-season pricing, with crowds are light for this destination.

Flexible dates? October scores 3 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Charleston in June?
In June, Charleston averages 27°C, 110 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 5.8/10.
Is June a good time to visit Charleston?
June earns a 5.8/10 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 June?
Expect about 110 mm of rain in June. Average humidity is 72% 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.