TODAY NOV21
TEMPERATURE68
HUMIDITY23
PRESSURE102130
WIND COND.300 27.7
  • 5934Fri
  • 6440Sat
  • 7460Sun
  • 7954Mon50%
  • 6747Tue20%20%
daynightWeather update from Monroe Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Winnsboro for August is 82.4 degrees
  • The lowest monthly average temperature in Winnsboro for January is 47.4 degrees
  • The most monthly precipitation in Winnsboro occurs in April with 6 inches
  • The air quality index in Winnsboro is 19% better than the national average
  • The pollution index in Winnsboro is 41% worse than the national average

Compare Winnsboro, LA 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
      January38°F59°F47°F5.0"
      February41°F62°F50°F4.1"
      March48°F71°F59°F5.9"
      April56°F79°F66°F6.0"
      May63°F85°F73°F4.7"
      June71°F92°F81°F3.8"
      July73°F94°F82°F3.9"
      August73°F95°F82°F4.3"
      September67°F90°F77°F4.2"
      October54°F80°F66°F5.4"
      November46°F69°F56°F4.1"
      December40°F61°F49°F5.5"

      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.
      IndexWinnsboroLouisianaNational
      Air quality index3410642
      Pollution index3,849,4402,526,4752,726,193

      Winnsboro air quality

      MeasurementTotal
      Days measured363
      Days with good air quality335
      Days with moderate air quality28
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.440%
      Benzene0.030%
      Carbon Tetrachloride0.005%
      Lead0.010%
      Mercury0.320%

      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.
      Baskin, LA2123432.0%
      Gilbert, LA3583432.0%
      Mangham, LA6813432.0%
      Wisner, LA9853432.0%
      Winnsboro, LA4,5973432.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Tuscola, IL4,5994216.0%
      Medina, TX4,5994118.0%
      Flemington, NJ4,6014118.0%
      King George, VA4,601476.0%
      Deale, MD4,592476.0%
      Winnsboro, LA4,5973432.0%
      Source: The Winnsboro, LA 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.