Charleston Weather in July
United States · 30-year monthly averages
⚠️ Challenging time to visit
July in Charleston is hot, with average daytime highs around 33°C (91°F) and nighttime lows near 23°C (74°F). Expect roughly 168mm of precipitation spread over about 11 rainy days, and this is one of the wetter months.
Avg high
33°C
91°F
Avg low
23°C
74°F
Rainfall
168mm
rainy
Rainy days
11
days with ≥1mm
🎒 What to pack
- breathable summer clothing
- sunscreen, hat and sunglasses
- refillable water bottle
- compact umbrella or rain jacket
July vs the rest of the year
FAQ
- How hot is Charleston in July?
- July in Charleston is hot, with average daytime highs around 33°C (91°F) and nighttime lows near 23°C (74°F). Expect roughly 168mm of precipitation spread over about 11 rainy days, and this is one of the wetter months.
- Does it rain a lot in Charleston in July?
- Charleston sees around 168mm of precipitation in July on average — rainy by global standards.
- Is July a good time to visit Charleston?
- July is a challenging month to visit Charleston weather-wise — plan around the conditions.