TODAY NOV25
TEMPERATURE62
HUMIDITY51
PRESSURE102170
WIND COND.260 13
  • 7242Tue30%
  • 6754Wed
  • 734440%50%
  • 5728Fri40%
  • 5230Sat
daynightWeather update from Shaw Air Force Base at
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Weather Quick Facts

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

Compare South Sumter, SC Weather

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      South Sumter Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January36°F58°F46°F5.2"
      February37°F61°F48°F6.7"
      March44°F70°F56°F5.9"
      April53°F78°F65°F7.0"
      May60°F84°F72°F6.7"
      June69°F91°F79°F9.9"
      July72°F93°F81°F10.2"
      August71°F91°F80°F7.7"
      September65°F86°F75°F9.1"
      October54°F77°F64°F12.0"
      November43°F67°F54°F6.9"
      December39°F62°F50°F7.2"

      South 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.
      IndexSouth SumterSouth CarolinaNational
      Air quality index433742
      Pollution index4,798,3603,620,4382,726,193

      South Sumter air quality

      MeasurementTotal
      Days measured365
      Days with good air quality264
      Days with moderate air quality99
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.002%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.001%
      Mercury0.002%

      Average monthly South Sumter temperature with heat index

      South Sumter monthly precipitation with daily maximum

      South Sumter monthly snow depth with daily maximum

      South Sumter monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Mayesville, SC6744020.0%
      Alcolu, SC4134020.0%
      East Sumter, SC1,2084020.0%
      Oswego, SC1974020.0%
      Manning, SC3,9244020.0%
      South Sumter, SC2,2494314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Dakota City, NE2,2493530.0%
      Mount Union, PA2,2494412.0%
      Newton, TX2,2494510.0%
      Inkerman, NB2,249n/a 
      Cordova, AK2,2483138.0%
      South Sumter, SC2,2494314.0%
      Source: The South 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.