Best Time to Visit Charleston: Month-by-Month Guide

Best months for Charleston: September, August, October.

  • Best months for Charleston: September, August, October.
  • Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
  • Shoulder season: May, September, October. Good weather without the busiest period.
  • Wettest months: May, April, June.
  • The least pleasant month is January (score 4.4).

Year at a glance

3° -5° J 6° -3° F 12° 2° M 19° 8° A 24° 14° M 28° 19° J 30° 20° J 29° 19° A 26° 15° S 19° 9° O 12° 2° N 5° -2° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 3°C-5°C75 mm 9– – 4.4
February 6°C-3°C64 mm 8– – 5.0
March 12°C2°C87 mm 11– – 5.9
April 19°C8°C120 mm 12– – 6.8
May 24°C14°C118 mm 13– – 7.1
June 28°C19°C109 mm 11– – 7.4
July 30°C20°C95 mm 11– – 7.4
August 29°C19°C76 mm 9– – 7.9
September 26°C15°C75 mm 7– – 8.1
October 19°C9°C83 mm 8– – 7.6
November 12°C2°C88 mm 8– – 6.2
December 5°C-2°C68 mm 9– – 4.9

Frequently asked questions

When is the best time to visit Charleston?

The best months are September, August, October.

When is the rainy season in Charleston?

The wettest months are May, April, June.