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Charleston

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Charleston Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Charleston year round climate

  • Spring (March–May): Average 61–73°F, mild and comfortable climate, moderate rainfall. Common activities: Outdoor walks, visiting historical sites. Recommended clothing: Light jacket, long-sleeved shirts, comfortable shoes.
  • Summer (June–August): Average 78–82°F, hot and humid, more rainfall, especially in August. Common activities: Beach activities, water sports. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 66–76°F, pleasant climate, less rainfall. Common activities: Outdoor activities, tasting local cuisine. Recommended clothing: Light jacket, long-sleeved or short-sleeved shirts.
  • Winter (December–February): Average 51–56°F, mild and humid, occasional rainfall. Common activities: Visiting indoor attractions, museum visits. Recommended clothing: Warm jacket, sweater, comfortable shoes.

Charleston climatological average

Annual average temperature: approx. 67.3°F / Annual rainfall: approx. 1357 mm / Summer humidity: 70%–80% / Rainiest month: August

Charleston monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
51.1°F
77.3
February
56.1°F
93.4
March
61.7°F
132.5
April
66.4°F
102.9
May
73.4°F
94.5
June
79°F
111.2
July
82.6°F
171.2
August
81.1°F
215.1
September
76.3°F
144.8
October
66.7°F
27.2
November
61.2°F
57
December
52.5°F
130

Charleston weather for the next seven days

5/3
Sunday
Sunny
70°F/50.7°F
5/4
Monday
Sunny
72.7°F/58.9°F
5/5
Tuesday
Sunny
74.5°F/61.9°F
5/6
Wednesday
Sunny
79.5°F/65.9°F
5/7
Thursday
Moderate rain
75.5°F/62°F
5/8
Friday
Overcast
66.1°F/53.1°F
5/9
Saturday
Sunny
81.3°F/62°F