Barnwell County, SC Climate

Barnwell County, SC has a humid subtropical climate with hot, humid summers and mild winters. In the summer months, temperatures can reach into the 90s Fahrenheit with high humidity, while in winter temperatures can dip to below freezing. Rainfall is plentiful throughout the year with the heaviest rainfall usually occurring in late spring and early summer. The county typically sees around 50 inches of precipitation annually. The county is also known for its strong thunderstorms that come through from time to time which can be accompanied by heavy rain and hail.

Barnwell County, South Carolina gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Barnwell County averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 218 sunny days per year in Barnwell County. The US average is 205 sunny days.

Barnwell County gets some kind of precipitation, on average, 102 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 92 degrees
Winter Low: the January low is 33
Rain: averages 46 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Barnwell County is 7.4 (10=best), which means it is more comfortable than most places in South Carolina.

5.3 Summer - 7.4 Winter

October, May and April are the most pleasant months in Barnwell County, while July and August are the least comfortable months.

Climate	Barnwell, South Carolina	United States
	Unlock	38.1 in.
	0.3 in.	Unlock
	Unlock	106.2 days
	218 days	Unlock
	92.2°	85.8°
	Unlock	21.7°
	7.4	Unlock
	Unlock	4.3
	232 ft.	Unlock

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 Barnwell County with an average high temperature of 92.2°, which ranks it as warmer than most places in South Carolina. In Barnwell County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Barnwell County are October, April and May.

In Barnwell County, there are 70.9 days annually when the high temperature is over 90°, which is one of the hottest places in South Carolina.

January has the coldest nighttime temperatures for Barnwell County with an average of 33.0°. This is about average compared to other places in South Carolina.

In Barnwell County, there are 46.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in South Carolina.

In Barnwell County, 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 Barnwell County can be uncomfortable 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.

June is the wettest month in Barnwell County with 5.4 inches of rain, and the driest month is April with 2.8 inches. The wettest season is Autumn with 33% of yearly precipitation and 21% occurs in Winter, which is the driest season. The annual rainfall of 46.2 inches in Barnwell County means that it is drier than most places in South Carolina.

August is the rainiest month in Barnwell County with 10.8 days of rain, and October is the driest month with only 6.5 rainy days. There are 101.7 rainy days annually in Barnwell County, which is about average compared to other places in South Carolina. The rainiest season is Autumn when it rains 31% of the time and the driest is Winter with only a 20% chance of a rainy day.

An annual snowfall of 0.3 inches in Barnwell County means that it is less snowy than most places in South Carolina. January is the snowiest month in Barnwell County with 0.2 inches of snow, and no months of the year have significant snowfall.

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