Mid-summer · Weather & things to do
Charleston in July
Charleston's warmest month brings highs averaging 90°F (32°C), lows of 75°F (24°C) and about 5.8 in (147 mm) of rain.
With a comfort score of 53/100 (11th of 12), it's one of the toughest months, held back mainly by heat.
- Avg high
- 90°F (32°C)
- Avg low
- 75°F (24°C)
- Rain
- 5.8 in (147 mm)
- Humidity
- 76%
- Cloud cover
- 58%
- Daylight
- ~13 h 58 min
- Comfort score
- 53/100 · Fair
What July feels like
Expect proper heat: afternoons average 90°F (32°C), so plan walking and hiking for the morning and save midday for shade, lunch or a swim.
Even at night it stays warm, around 75°F (24°C).
Humidity averages 76%, so the air feels sticky and the heat feels stronger than the thermometer says.
Expect regular rain: about 5.8 in (147 mm) falls in the month.
Plan around July
July is one of the lower-scoring months here; the best are March & April and November.
- Inside the wettest three-month stretch, June – August.
- Comfort slips from 59/100 in June to 53/100.
- Our Charleston & Savannah route recommends Mar – May, so July falls outside its suggested window.
What to pack for July
- Light, breathable clothes90°F afternoons
- Sunscreen, sunglasses and a hathigh UV on clear days
- Refillable water bottleeasy to dehydrate in the heat
- Quick-dry fabrics76% average humidity
- Rain jacket and waterproof shoes5.8 in of rain on average
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Charleston in July
Wet days call for a roof: these picks favor sit-down and indoor stops, plus a few for drier spells.
Charleston City Market
Four-block historic market with sweetgrass basket weavers and local crafts.
Why now An indoor-leaning stop for a month with 5.8 in of rain.
Lewis Barbecue
Texas-style brisket, beef ribs and green chile corn pudding from pitmaster John Lewis; Michelin Bib Gourmand.
Why now A sit-down stop to wait out showers in a month with 5.8 in of rain.
Gibbes Museum of Art
Compact museum of Southern art from colonial portraits to contemporary work.
Why now A good rainy-day backup in July.
Husk
Lowcountry ingredients in a Victorian house, known for skillet cornbread.
Why now Easy to slot in when July's rain moves in.
White Point Garden
Oak-shaded park at the Battery with harbor views and antebellum mansions behind.
Why now Go early — afternoons average 90°F.
Nearby in July
- Beaufort in July~49 mi · highs 88°F, 5.4 in rain · 1°C (2°F) cooler by day, about as wet
- Savannah in July~83 mi · highs 91°F, 5.2 in rain · similar daytime temperatures, drier
- Amelia Island in July~171 mi · highs 84°F, 5.2 in rain · 3°C (5°F) cooler by day, about as wet
- Uptown Charlotte in July~177 mi · highs 91°F, 4.4 in rain · similar daytime temperatures, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Charleston in July: quick answers
Is July a good time to visit Charleston?
It's one of the tougher months here, scoring 53/100, held back mainly by heat. The best months are March & April and November. Expect highs of 90°F (32°C) and 5.8 in (147 mm) of rain. Our Charleston & Savannah route recommends Mar – May, so July is outside its suggested window.
How hot is Charleston in July?
Average highs are 90°F (32°C) and average lows 75°F (24°C), making it the warmest month by daytime highs.
Does it rain a lot in Charleston in July?
Yes: about 5.8 in (147 mm) of rain falls across July on average, the 2nd-wettest month of the year. The annual total is about 49.0 in (1245 mm).
What should I pack for Charleston in July?
Bring light, breathable clothes (90°F afternoons), sunscreen, sunglasses and a hat (high UV on clear days), refillable water bottle (easy to dehydrate in the heat), quick-dry fabrics (76% average humidity) and rain jacket and waterproof shoes (5.8 in of rain on average).
Planning Charleston in July?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.