TODAY MAR29
TEMPERATURE43
HUMIDITY73
PRESSURE102030
WIND COND.
  • 7146Fri
  • 7652Sat
  • 8160Sun
  • 8164Mon
  • 8158Tue60%
daynightWeather update from Columbia - Jim Hamilton L.B. Owens Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Winnsboro for July is 81.9 degrees
  • The lowest monthly average temperature in Winnsboro for January is 46.5 degrees
  • The most monthly precipitation in Winnsboro occurs in August with 5.5 inches
  • The air quality index in Winnsboro is 2% worse than the national average
  • The pollution index in Winnsboro is 58% better than the national average

Compare Winnsboro, SC Weather

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      Winnsboro 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°F59°F46°F3.0"
      February38°F62°F49°F3.4"
      March45°F70°F57°F3.2"
      April54°F79°F66°F2.8"
      May62°F85°F73°F3.4"
      June70°F92°F80°F4.6"
      July73°F94°F82°F4.7"
      August73°F92°F81°F5.5"
      September67°F87°F76°F4.2"
      October55°F78°F65°F4.0"
      November43°F68°F54°F2.8"
      December41°F63°F50°F4.3"

      Winnsboro 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.
      IndexWinnsboroSouth CarolinaNational
      Air quality index433742
      Pollution index1,152,0503,620,4382,726,193

      Winnsboro air quality information

      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

      Winnsboro air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.002%
      Lead0.005%
      Mercury0.000%

      Average monthly Winnsboro temperature with heat index

      Winnsboro monthly precipitation with daily maximum

      Winnsboro monthly snow depth with daily maximum

      Winnsboro monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Ridgeway, SC2944314.0%
      Peak, SC544314.0%
      Winnsboro Mills, SC2,0994314.0%
      Great Falls, SC1,8064314.0%
      Chapin, SC1,6984314.0%
      Winnsboro, SC3,2084314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Buzzards Bay, MA3,2083628.0%
      Jackson, MN3,2083236.0%
      Pleasant Gap, PA3,2084412.0%
      Hilliard, FL3,2074314.0%
      Algona, WA3,2074510.0%
      Winnsboro, SC3,2084314.0%
      Source: The Winnsboro, 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.