Sumter, SC Weather - Forecast & Monthly Averages

TEMPERATURE	59
HUMIDITY	33
PRESSURE	100780
WIND COND.	250 25.9

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Weather Quick Facts

The highest monthly average temperature in Sumter for July is 80.9 degrees
The lowest monthly average temperature in Sumter for January is 45.5 degrees
The most monthly precipitation in Sumter occurs in October with 12 inches
The air quality index in Sumter is 2% worse than the national average
The pollution index in Sumter is 76% worse than the national average

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Sumter Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	36°F	58°F	46°F	5.2"
February	37°F	61°F	48°F	6.7"
March	44°F	70°F	56°F	5.9"
April	53°F	78°F	65°F	7.0"
May	60°F	84°F	72°F	6.7"
June	69°F	91°F	79°F	9.9"
July	72°F	93°F	81°F	10.2"
August	71°F	91°F	80°F	7.7"
September	65°F	86°F	75°F	9.1"
October	54°F	77°F	64°F	12.0"
November	43°F	67°F	54°F	6.9"
December	39°F	62°F	50°F	7.2"

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Sumter air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
Index	Sumter	South Carolina	National
Air quality index	43	37	42
Pollution index	4,798,360	3,620,438	2,726,193

Sumter air quality

Measurement	Total
Days measured	365
Days with good air quality	264
Days with moderate air quality	99
Days w/ poor A.Q. for sensitive groups	2
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.002%
Benzene	0.020%
Carbon Tetrachloride	0.002%
Lead	0.001%
Mercury	0.002%

Average monthly Sumter temperature with heat index

Sumter monthly precipitation with daily maximum

Sumter monthly snow depth with daily maximum

Sumter monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Mayesville, SC	674	40	20.0%
Alcolu, SC	413	40	20.0%
Oswego, SC	197	40	20.0%
East Sumter, SC	1,208	40	20.0%
Oakland, SC	1,265	43	14.0%
Sumter, SC	39,758	43	14.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
La Puente, CA	39,780	72	44.0%
Hallandale Beach, FL	39,782	41	18.0%
New Berlin, WI	39,794	44	12.0%
Vineyard, CA	39,800	52	4.0%
Crystal Lake, IL	39,685	42	16.0%
Sumter, SC	39,758	43	14.0%

Source: The Sumter, SC weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.