Sumter, SC Weather


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The most pleasant months of the year for Sumter are April, October and May. In Sumter, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Sumter with an average high temperature of 91.5°, which ranks it as warmer than most places in South Carolina. January is the snowiest month in Sumter with 0.5 inches of snow, and 1 month of the year have significant snowfall. The most uncomfortably humid months are July, August and June.

Today's Weather - Sumter, SC

10 AM PST

Slight Chance Showers And Thunderstorms

80°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
This AfternoonSlight Chance Showers And Thunderstorms83° / 62°SW 9 mph
WednesdaySlight Chance Rain Showers then Slight Chance Showers And Thunderstorms85° / 61°W 2 to 6 mph
ThursdaySunny87° / 62°NE 2 to 8 mph
FridayMostly Sunny87° / 64°SE 5 to 9 mph
SaturdayChance Rain Showers85° / 64°SE 10 mph
SundayChance Showers And Thunderstorms84° / 63°S 12 mph
MondaySlight Chance Rain Showers then Slight Chance Showers And Thunderstorms86° / 65°S 8 to 12 mph

Weather Highlights

Summer High: the July high is around 92 degrees
Winter Low: the January low is 34
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 area is 5.3 (10=best), which means it is less comfortable than most places in South Carolina.

5.3 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January56° 34°
February60° 37°
March68° 43°
April76° 50°
May83° 58°
June89° 67°
July92° 70°
August90° 69°
September85° 63°
October76° 52°
November68° 43°
December58° 36°
Hot, Freezing, Rainy, Snowy Days: Sumter
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January014100
February0990
March0480
April1180
May4080
June140110
July200110
August160110
September6080
October1070
November0570
December01280

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.

Reviews for Sumter
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I work in Sumter. I have been thoroughly impressed by the talent that lives in the area. Folks who get it done. In terms of a place to live. Though Sumter has a  More

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Over 5 years ago

About me: I lived in Sumter from birth to around 22 years old. I have since lived in many states, and currently reside in CO, and love it. I prefer towns smaller than  More

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Over 13 years ago

We are a transplanted military family who always intended on retiring in Florida when we retired from the Air Force. We enjoy the small town feeling of Sumter and have  More

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