Weather & Climate

Charleston boasts a “temperate to semi-tropical” climate, offering year-round outdoor enjoyment for residents and visitors. The area averages 63% days of sunshine each year and an annual growing season of 294 days.

Average Annual Temperature – 65.3° F
Average Daily Maximum – 75.9° F
Average Daily Minimum – 54.7° F
Average Annual Rainfall – 51.53 inches
Average Relative Humidity – 86% (at 7am)

 

Average Temperatures by Month:

January – 47.9
February – 50.7
March – 57.7
April – 64.2
May – 72.1
June – 78.8
July – 81.7
August – 80.5
September – 76.1
October – 66.2
November – 58.0
December – 50.5