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Charleston vs Washington DC

Detailed weather comparison to help you match your travel dates with the perfect climate.

Charleston

United States

Avg High23°C
Best MonthsApr, Oct

Washington DC

United States

Avg High19°C
Best MonthsVarious

Monthly Weather Comparison

MonthCharleston TempWashington DC TempCharleston RainWashington DC Rain
Jan14°C6°C
19%
22%
Feb16°C8°C
22%
24%
Mar19°C13°C
19%
23%
Apr23°C19°C
18%
25%
May26°C23°C
21%
31%
Jun29°C29°C
37%
30%
Jul31°C31°C
43%
30%
Aug30°C30°C
43%
29%
Sep28°C26°C
31%
27%
Oct24°C20°C
18%
19%
Nov19°C13°C
17%
19%
Dec16°C8°C
21%
22%

When to choose Charleston?

  • If you prefer 23°C average peaks
  • Great for visiting in: Apr, Oct

When to choose Washington DC?

  • If you prefer 19°C average peaks
  • Great for visiting in: various months