Charleston, SC Weather


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The most pleasant months of the year for Charleston are October, May and April. In Charleston, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Charleston with an average high temperature of 89.9°, which ranks it as cooler than most places in South Carolina. December is the snowiest month in Charleston with 0.2 inches of snow, and no months of the year have significant snowfall. The most uncomfortably humid months are July, August and June.

Today's Weather - Charleston, SC

11 PM PST

Partly Cloudy

62°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
OvernightPartly Cloudy62° / 75°E 9 mph
Friday NightPartly Cloudy63° / 78°E 8 to 18 mph
Saturday NightPartly Cloudy63° / 78°E 5 to 12 mph
Sunday NightMostly Clear61° / 80°SE 3 to 8 mph
Monday NightClear63° / 83°S 3 to 8 mph
Tuesday NightMostly Clear65° / 84°S 5 to 10 mph
Wednesday NightMostly Clear66° / 86°SW 6 to 10 mph

Weather Highlights

Summer High: the July high is around 90 degrees
Winter Low: the January low is 39
Rain: averages 48 inches of rain a year
Snow: averages 0 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Charleston area is 4.1 (10=best), which means it is less comfortable than most places in South Carolina.

4.1 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January58° 39°
February61° 42°
March67° 48°
April74° 56°
May81° 64°
June87° 72°
July90° 75°
August89° 74°
September84° 69°
October77° 59°
November69° 50°
December61° 42°
Hot, Freezing, Rainy, Snowy Days: Charleston
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January07100
February0480
March0180
April0070
May2070
June90100
July150120
August120120
September4090
October0070
November0170
December0590

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

Reviews for Charleston
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Over 1 years ago

Charleston is beautiful and unique and incredibly special. If you don't believe me, just ask Anthony Bourdain in his Parts Unknown episode - and he was an insightful  More

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Serious lack of health care and "good old boys club" whereby doctors will not even see the patient but diagnose them based on referring doctor. My sister died there for  More

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Over 4 years ago

Boy, has this once beautiful town changed...for the worse! I initially moved here 20 years ago because the people were so nice, no traffic, great choice of hospitals,  More

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