Swansea, SC Climate

Swansea, SC has a humid subtropical climate with hot, humid summers and mild winters. The average temperature in the summer months ranges from the low 80s to mid-90s with frequent thunderstorms. In the winter months it gets slightly cooler, with temperatures ranging from 40°F to 60°F, though snow is very rare. The area typically receives around 50 inches of rain annually, making it one of the wettest areas in South Carolina.

Swansea, South Carolina gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Swansea averages 1 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 Swansea. The US average is 205 sunny days.

Swansea gets some kind of precipitation, on average, 105 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 47 inches of rain a year
Snow: averages 1 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Swansea is 7.3 (10=best), which means it is less comfortable than most places in South Carolina.

5.3 Summer - 7.2 Winter

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

Climate	Swansea, South Carolina	United States
	Unlock	38.1 in.
	0.9 in.	Unlock
	Unlock	106.2 days
	214 days	Unlock
	91.4°	85.8°
	Unlock	21.7°
	7.3	Unlock
	Unlock	4.3
	358 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 Swansea with an average high temperature of 91.4°, which ranks it as about average compared to other places in South Carolina. In Swansea, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Swansea are October, April and May.

In Swansea, there are 58.7 days annually when the high temperature is over 90°, which is hotter than most places in South Carolina.

January has the coldest nighttime temperatures for Swansea with an average of 32.6°. This is about average compared to other places in South Carolina.

In Swansea, there are 53.2 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in South Carolina.

In Swansea, 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 Swansea 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.

August is the wettest month in Swansea 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 Summer, which is the driest season. The annual rainfall of 47.2 inches in Swansea means that it is about average compared to other places in South Carolina.

July is the rainiest month in Swansea with 11.4 days of rain, and October is the driest month with only 6.8 rainy days. There are 104.6 rainy days annually in Swansea, which is rainier than most 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 0.9 inches in Swansea means that it is about average compared to other places in South Carolina. January is the snowiest month in Swansea with 0.6 inches of snow, and 1 month of the year have significant snowfall.

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