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Key findings

  • The highest monthly average temperature in Falls Church for July is 80.8 degrees
  • The lowest monthly average temperature in Falls Church for January is 37.1 degrees
  • The most monthly precipitation in Falls Church occurs in June with 5.3 inches
  • The air quality index in Falls Church is 5% better than the national average
  • The pollution index in Falls Church is 92% better than the national average

Compare Falls Church, VA Weather

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      Falls Church 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
      January28°F47°F37°F2.7"
      February29°F50°F38°F2.3"
      March37°F60°F47°F3.2"
      April47°F71°F58°F3.4"
      May56°F78°F67°F4.6"
      June67°F87°F77°F5.3"
      July72°F91°F81°F4.2"
      August70°F90°F79°F3.2"
      September63°F83°F72°F3.5"
      October52°F72°F61°F5.0"
      November40°F61°F50°F2.5"
      December33°F52°F42°F3.8"

      Falls Church 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.
      IndexFalls ChurchVirginiaNational
      Air quality index475850
      Pollution index208,4341,561,8812,726,193

      Falls Church air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality209
      Days with moderate air quality145
      Days w/ poor A.Q. for sensitive groups10
      Days with unhealthy air quality1

      Falls Church air quality information

      PollutantTotal
      Arsenic0.003%
      Benzene0.002%
      Carbon Tetrachloride0.001%
      Lead0.001%
      Mercury0.000%

      Average monthly Falls Church temperature with heat index

      Falls Church monthly precipitation with daily maximum

      Falls Church monthly snow depth with daily maximum

      Falls Church monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      North Chevy Chase, MD498476.0%
      Mount Vernon, VA12,469476.0%
      Fair Oaks, VA33,478476.0%
      Dranesville, VA11,792476.0%
      Sterling, VA29,597476.0%
      Falls Church, VA13,597476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Rocky Point, NY13,5974314.0%
      La Grange Park, IL13,5965510.0%
      Mebane, NC13,5923138.0%
      Oatfield, OR13,5923824.0%
      Avenal, CA13,5905612.0%
      Falls Church, VA13,597476.0%
      Source: The Falls Church, VA 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.