TODAY APR13
TEMPERATURE75
HUMIDITY40
PRESSURE102540
WIND COND.200 16.6
  • 8161Sun
  • 8164Mon
  • 8066Tue40%50%
  • 8460Wed
  • 8355Thu30%
daynightWeather update from Shreveport, Shreveport Downtown Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Gilliam for August is 83.6 degrees
  • The lowest monthly average temperature in Gilliam for January is 47.5 degrees
  • The most monthly precipitation in Gilliam occurs in March with 4.7 inches
  • The air quality index in Gilliam is 7% better than the national average
  • The pollution index in Gilliam is 118% worse than the national average

Compare Gilliam, LA Weather

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      Gilliam 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°F4.3"
      February41°F62°F51°F3.4"
      March49°F70°F59°F4.7"
      April56°F78°F66°F4.5"
      May64°F84°F73°F3.6"
      June72°F92°F81°F3.4"
      July75°F94°F83°F4.0"
      August75°F95°F84°F2.7"
      September68°F90°F78°F3.0"
      October56°F80°F67°F4.1"
      November47°F69°F57°F4.1"
      December40°F60°F49°F4.3"

      Gilliam 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.
      IndexGilliamLouisianaNational
      Air quality index3910642
      Pollution index5,952,7602,526,4752,726,193

      Gilliam air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality291
      Days with moderate air quality74
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Gilliam air quality information

      PollutantTotal
      Arsenic0.004%
      Benzene0.070%
      Carbon Tetrachloride0.020%
      Lead0.080%
      Mercury0.002%

      Average monthly Gilliam temperature with heat index

      Gilliam monthly precipitation with daily maximum

      Gilliam monthly snow depth with daily maximum

      Gilliam monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Belcher, LA2963922.0%
      Mooringsport, LA5223922.0%
      Benton, LA2,1243922.0%
      Oil City, LA8293922.0%
      Hosston, LA2923922.0%
      Gilliam, LA1093922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Eagle, AK1093824.0%
      Mud Bay, AK1092060.0%
      Standing Rock, AL1094216.0%
      Kohls Ranch, AZ1096020.0%
      Vilas, CO1092060.0%
      Gilliam, LA1093922.0%
      Source: The Gilliam, 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.