TODAY NOV22
TEMPERATURE55
HUMIDITY47
PRESSURE102070
WIND COND.
  • 6037Fri
  • 6643Sat
  • 7460Sun
  • 7953Mon40%
  • 6752Tue
daynightWeather update from Ruston, Ruston Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Chatham for July is 80.9 degrees
  • The lowest monthly average temperature in Chatham for January is 46.3 degrees
  • The most monthly precipitation in Chatham occurs in October with 12 inches
  • The air quality index in Chatham is 19% better than the national average
  • The pollution index in Chatham is 76% worse than the national average

Compare Chatham, LA Weather

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      Chatham 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
      January37°F58°F46°F7.1"
      February40°F62°F50°F4.5"
      March47°F71°F58°F7.6"
      April54°F77°F65°F11.1"
      May61°F83°F71°F9.5"
      June69°F90°F79°F8.5"
      July72°F93°F81°F8.6"
      August71°F93°F81°F7.5"
      September64°F88°F75°F5.5"
      October53°F79°F64°F12.0"
      November44°F68°F55°F9.4"
      December40°F60°F49°F7.6"

      Chatham 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.
      IndexChathamLouisianaNational
      Air quality index3410642
      Pollution index4,786,9402,526,4752,726,193

      Chatham 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
      Arsenic0.010%
      Benzene0.050%
      Carbon Tetrachloride0.030%
      Lead0.030%
      Mercury0.001%

      Average monthly Chatham temperature with heat index

      Chatham monthly precipitation with daily maximum

      Chatham monthly snow depth with daily maximum

      Chatham monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Eros, LA2043432.0%
      Grambling, LA5,1683432.0%
      Calhoun, LA2653432.0%
      Chatham, LA7543432.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Junction City, CA7544216.0%
      Stratton, CO7544510.0%
      Palmona Park, FL7543628.0%
      Carrolltown, PA7544118.0%
      Port Trevorton, PA7544412.0%
      Chatham, LA7543432.0%
      Source: The Chatham, 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.