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The numbers here tell you how hot and cold the weather usually is in Charleston, South Carolina during each month of the year. The average high and low temperatures are listed below monthly and annually for Charleston, in both degrees Fahrenheit and Celsius.
The hottest month of the year in Charleston is July, with an average high of 89°F and low of 76°F. The cool season lasts for 3.0 months, from December 1 to March 1, with an average daily high temperature below 65°F. The coldest month of the year in Charleston is January, with an average low of 43°F and high of 59°F.
Quick Climate Info; Hottest Month: July (83 °F avg) Coldest Month: January (50 °F avg) Wettest Month: August (6.97" avg) Windiest Month: April (15 mph avg) Annual precip. 52.56"
Charleston, South Carolina - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data.
- What is the coldest month in Charleston?Charleston, South Carolina, experiences its lowest temperatures in January , with an average peak of 57°F and a low of 44.4°F .
- What are the least humid months in Charleston?January and March , with an average relative humidity of 73% , are the least humid months in Charleston.
- What is the driest month in Charleston?January is the month with the least rainfall in Charleston. Rain falls for 9.8 days and accumulates 1.42" of precipitation .
- How many days does it rain in Charleston?Throughout the year, there are 178.9 rainfall days , and 41.93" of precipitation is accumulated.
- When does it snow in Charleston?Months with snowfall in Charleston, South Carolina, are January and December .
- When does it snow the most in Charleston?January is the month with the most snowfall . Snow falls for 0.4 days and accumulates 0.12" of snow .
- How many days does it snow in Charleston?In Charleston, during the entire year, snow falls for 0.6 days and aggregates up to 0.16" of snow .
- What is the month with the lowest UV index in Charleston?January is the month with the lowest UV index in Charleston, South Carolina, with an average maximum UV index of 3 .
- When it does not snow in Charleston?In Charleston, snow does not fall in February through November .
The average annual temperature in Charleston is 19.3 °C | 66.8 °F. The precipitation level on a yearly basis amounts to 1216 mm | 47.9 inch as per the meteorological records. Charleston is in the northern hemisphere. -> It is situated in the upper half of the planet. Summer begins in September and ends at the end of June.
Weather.com brings you the most accurate monthly weather forecast for Charleston, SC with average/record and high/low temperatures, precipitation and more.
Daily/Monthly/Annual Extremes. Climatology for Holidays and Other Significant Dates. Additional Climate Resources. Weather Observation History: Charleston | Savannah. First/Last Freeze Dates. NOAA Climate Science. National Centers for Environmental Information (formerly NCDC) Climate Prediction Center. Southeast Regional Climate Center.
