Charleston weather in July

July in Charleston averages 91°F by day and 74°F at night, with 6.6 inches of precipitation. It is the 1st-warmest and 2nd-wettest month of the year here.

CharlestonSouth CarolinaPop. 159,423
Average high
91°F+3° vs June
Average low
74°F0 nights below freezing
Precipitation
6.6 in9 days with 0.1 in. or more
Snow
0.0 in21 days at 90°F+

Is July a good time to visit Charleston?

July is hot. Average highs reach 91°F, with about 21 days at 90°F or more. The most comfortable months overall are March to May and October to November.

On July 15 the sun rises at 6:22 am and sets at 8:28 pm, giving 14h 06m of daylight. Daylight all year.

What to pack for Charleston in July

  • Light, breathable clothes, a hat and sunscreen; carry water
  • An umbrella or rain jacket

Based on 30-year averages, not a forecast. Check the forecast a few days before you go.

July nearby

CityDistanceHighLowPrecip.
Charleston91°F74°F6.6 in
North Charleston, SC4 mi91°F74°F6.6 in
Mount Pleasant, SC7 mi91°F74°F6.6 in
Savannah, GA87 mi92°F74°F5.8 in
Columbia, SC101 mi93°F72°F5.4 in
Augusta, GA131 mi94°F72°F4.5 in
Wilmington, NC153 mi90°F73°F6.9 in

Frequently asked questions

What is the weather like in Charleston in July?

In July, Charleston averages a high of 91°F and a low of 74°F, with 6.6 inches of precipitation (NOAA 1991-2020 normals).

Is July a good time to visit Charleston?

July is hot in Charleston, with average highs of 91°F. Plan outdoor time for mornings and evenings.

Does it snow in Charleston in July?

Rarely. The July snowfall normal is under half an inch.

Before and after: Charleston in June and Charleston in August. All twelve months: Charleston weather by month.

NOAA NCEI 1991-2020 climate normals, station Charleston Intl. Airport, SC, 8 miles from the city center.