Sumter Metro Area, SC Climate

Sumter, SC Metro Area has a humid subtropical climate with hot, humid summers and mild winters. The average temperature is around 70°F throughout the year and the highest temperatures in summer can reach up to around 90°F. Precipitation is abundant in this region, with rainfall averaging over 50 inches each year. Snowfall is rare, however it does occur occasionally during winter months. The humidity levels can be quite high but are usually bearable due to the generally mild temperatures.

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

Sumter Metro Area averages 1 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 223 sunny days per year in Sumter Metro Area. The US average is 205 sunny days.

Sumter Metro Area 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 the Sumter metro area is 7.5 (10=best), which means it is one of the most pleasant places in South Carolina.

5.5 Summer - 7.3 Winter

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

Climate	Sumter, South Carolina	United States
	46.6 in.	38.1 in.
	0.7 in.	27.8 in.
	104.6 days	106.2 days
	223 days	205 days
	91.2°	85.8°
	33.4°	21.7°
	7.5	7
	5	4.3
	159 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 Sumter metro area with an average high temperature of 91.2°, which ranks it as about average compared to other places in South Carolina. In the Sumter 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 Sumter metro area are April, October and May.

In the Sumter metro area, there are 57.7 days annually when the high temperature is over 90°, which is about average compared to other places in South Carolina.

January has the coldest nighttime temperatures for the Sumter metro area with an average of 33.4°. This is warmer than most places in South Carolina.

In the Sumter metro area, there are 48.3 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in South Carolina.

In the Sumter 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 Sumter metro area 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 the Sumter metro area with 5.3 inches of rain, and the driest month is April with 2.9 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 46.6 inches in the Sumter metro area means that it is about average compared to other places in South Carolina.

July is the rainiest month in the Sumter metro area with 10.9 days of rain, and October is the driest month with only 6.8 rainy days. There are 104.6 rainy days annually in the Sumter metro area, which is rainier than most places in South Carolina. The rainiest season is Autumn when it rains 30% of the time and the driest is Winter with only a 20% chance of a rainy day.

An annual snowfall of 0.7 inches in the Sumter metro area means that it is about average compared to other places in South Carolina. January is the snowiest month in the Sumter metro area with 0.4 inches of snow, and no months of the year have significant snowfall.

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