Charleston-North Charleston Metro Area, SC Climate

The climate in the Charleston-North Charleston, SC Metro Area is typically warm and humid. Summers are hot and long with temperatures often reaching and exceeding 90 degrees Fahrenheit accompanied by high humidity levels. Winters are mild with temperatures rarely dipping below freezing. Rainfall is abundant throughout the year with most of it occurring during the summer months. Overall, Charleston-North Charleston provides a warm and pleasant climate year round that attracts many visitors.

Charleston-North Charleston Metro Area, South Carolina gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Charleston-North Charleston Metro Area averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 214 sunny days per year in Charleston-North Charleston Metro Area. The US average is 205 sunny days.

Charleston-North Charleston Metro Area gets some kind of precipitation, on average, 104 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 91 degrees
Winter Low: the January low is 37
Rain: averages 49 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the Charleston-North Charleston metro area is 7.2 (10=best), which means it is less comfortable than most places in South Carolina.

4.4 Summer - 7.7 Winter

October, April and May are the most pleasant months in the Charleston-North Charleston metro area, while July and August are the least comfortable months.

Climate	Charleston-North Charleston, South Carolina	United States
	49.3 in.	38.1 in.
	0.4 in.	27.8 in.
	104.0 days	106.2 days
	214 days	205 days
	90.7°	85.8°
	37.2°	21.7°
	7.2	7
	4.8	4.3
	40 ft.	2443 ft.

Climate

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.

July is the hottest month for the Charleston-North Charleston metro area with an average high temperature of 90.7°, which ranks it as cooler than most places in South Carolina. In the Charleston-North Charleston metro area, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the Charleston-North Charleston metro area are October, April and May.

In the Charleston-North Charleston metro area, there are 50.6 days annually when the high temperature is over 90°, which is cooler than most places in South Carolina.

January has the coldest nighttime temperatures for the Charleston-North Charleston metro area with an average of 37.2°. This is one of the warmest places in South Carolina.

In the Charleston-North Charleston metro area, there are 27.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in South Carolina.

In the Charleston-North Charleston metro area, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in South Carolina.

Humidity in the Charleston-North Charleston metro area can be stifling in the summer, but pleasant for most of the year. The most uncomfortably humid months are July, August and June. The humid season runs from May-September and the least humid months are October-April.

August is the wettest month in the Charleston-North Charleston metro area with 6.7 inches of rain, and the driest month is November with 2.6 inches. The wettest season is Autumn with 36% of yearly precipitation and 20% occurs in Summer, which is the driest season. The annual rainfall of 49.3 inches in the Charleston-North Charleston metro area means that it is wetter than most places in South Carolina.

August is the rainiest month in the Charleston-North Charleston metro area with 11.8 days of rain, and November is the driest month with only 6.9 rainy days. There are 104.0 rainy days annually in the Charleston-North Charleston metro area, which is about average compared to other places in South Carolina. The rainiest season is Autumn when it rains 32% of the time and the driest is Summer with only a 21% chance of a rainy day.

An annual snowfall of 0.4 inches in the Charleston-North Charleston metro area means that it is less snowy than most places in South Carolina. December is the snowiest month in the Charleston-North Charleston metro area with 0.2 inches of snow, and no months of the year have significant snowfall.

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