South Carolina 

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Climate in South Carolina

South Carolina has a humid subtropical climate, which is characterized by hot and humid summers and mild winters. It experiences all four seasons, with winter temperatures rarely falling below freezing. Summertime temperatures can rise to the high 90s and occasionally reach triple digits. The coastal regions experience more moderate temperatures than the inland areas of the state. South Carolina is prone to tropical storms and hurricanes, particularly during hurricane season from June to November. Precipitation in the state is abundant, with annual average precipitation ranging from approximately 43 inches in the north-central region of the state to 51 inches in the south-central region.

South Carolina, South Carolina gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.

South Carolina averages 1 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 216 sunny days per year in South Carolina. The US average is 205 sunny days.

South Carolina gets some kind of precipitation, on average, 103 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 33
Rain: averages 48 inches of rain a year
Snow: averages 1 inches of snow a year


South Carolina's annual BestPlaces Comfort Index of 7.4 (10=best) indicates it is one of the most pleasant states in the United States.

5.5 / 7.2

Summer   /   Winter
May, October and April are the most pleasant months in the state of South Carolina, while July and August are the least comfortable months.

Climate Averages
  South Carolina, South CarolinaUnited States
  47.8 in.38.1 in.
  1.0 in.27.8 in.
  103.4 days106.2 days
  216 days205 days
  338 ft.2443 ft.


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 South Carolina with an average high temperature of 91.1°, which ranks it as warmer than most states. In South Carolina, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for South Carolina are October, April and May.

South Carolina has 54.7 days annually when the high temperature is over 90°, which is hotter than most states in the U.S.

January has the coldest nighttime temperatures for South Carolina with an average of 32.6°. This is warmer than most of the U.S. states.

South Carolina has 51.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most states in the U.S.

South Carolina averages 0.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest states in the U.S.

Humidity in the state of South Carolina can be unpleasant during the summer, but comfortable for most of the year. The most uncomfortably humid months are July, August and June. The humid season runs from June-September and the most comfortable months are October-May.

August is the wettest month in South Carolina with 5.3 inches of rain, and the driest month is April with 3.1 inches. The wettest season is Autumn with 31% of yearly precipitation and 22% occurs in Summer, which is the driest season. South Carolina's average annual rainfall of 47.8 inches indicates that it is wetter than most states in the United States.

July is the rainiest month in South Carolina with 10.5 days of rain, and October is the driest month with only 6.8 rainy days. South Carolina's annual average of 103.4 days with measurable rain is about average compared to other states in the United States. The rainiest season is Autumn when it rains 30% of the time and the driest is Winter with only a 21% chance of a rainy day.

South Carolina's average annual snowfall of 1.0 inches indicates that it is one of the least snowy states in the United States. January is the snowiest month in South Carolina with 0.5 inches of snow, and 1 month of the year have significant snowfall.

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for South Carolina    54 Reviews
    As real as a review as you’ll ever get - 10/11/2020
    As a 20 year resident of South Carolina, I can say, that it unfortunately as a whole isn’t the hospitable, friendly, nice, safe, or the wonderful picture many people... Read More

    Start Your Review of South Carolina

    As an adult child now absorbing responsibilities for elderly parents; options must be addressed. Cost of Living is required long-term. We discovered South Carolina's... Read More

    The Upstate - 11/11/2017
    The Upstate (Greenville, Clemson, etc) is very nice ... lots to do and the weather, food and people seem to compare well to the Low... Read More

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