Weather & Climate at Joint Base Charleston in Charleston, SC

Summary of the weather and climate in Charleston, SC:

  • The average high in Charleston, SC is 76.1°F and average low is 55.5°F
  • The hottest month is July with an high of 91.1°F
  • The coldest month is January with an low of 37.5°F
  • Annual rainfall is 51.03 inches. The rainiest month is August with an average of 7.15 inches.
  • Annual snowfall is 0.5 inches. The snowiest month is December with an average of 0.3 inches.

SOURCE: NOAA.GOV

Climate Table — Joint Base Charleston

Monthly Averages:

High (°F)Low (°F)Rainfall (inches)Snowfall (inches)
January 59 37.5 3.71 0
February 62.8 40.6 2.96 0.2
March 69.6 46.7 3.71 0
April 76.4 53.3 2.91 0
May 83.2 61.8 3.02 0
June 88.4 69.6 5.65 0
July 91.1 73 6.53 0
August 89.5 72.3 7.15 0
September 84.8 67.2 6.1 0
October 77.1 56.8 3.75 0
November 69.8 47.5 2.43 0
December 61.6 40.1 3.11 0.3

Climate Charts — Joint Base Charleston

Weather through the year:



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** Document Provided By MilBases.com **
Source: https://www.milbases.com/south-carolina/joint-base-charleston/weather