TODAY APR16
TEMPERATURE66
HUMIDITY34
PRESSURE101800
WIND COND.30 16.6
  • 7354Tue
  • 6958Wed60%70%
  • 7751Thu50%30%
  • 6853Fri40%
  • 6947Sat
daynightWeather update from Washington/Dulles International Airport, DC at
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Weather Quick Facts

  • The highest monthly average temperature in Fair Oaks for July is 77.7 degrees
  • The lowest monthly average temperature in Fair Oaks for January is 34.4 degrees
  • The most monthly precipitation in Fair Oaks occurs in May with 5.6 inches
  • The air quality index in Fair Oaks is 12% worse than the national average
  • The pollution index in Fair Oaks is 86% better than the national average

Compare Fair Oaks, VA Weather

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      Fair Oaks 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
      January24°F46°F34°F2.7"
      February25°F48°F36°F2.1"
      March33°F58°F45°F3.2"
      April43°F71°F56°F3.7"
      May52°F78°F65°F5.6"
      June61°F86°F74°F4.5"
      July66°F90°F78°F4.2"
      August65°F88°F76°F2.8"
      September58°F82°F69°F3.5"
      October46°F71°F58°F5.4"
      November35°F59°F46°F2.6"
      December29°F50°F39°F3.8"

      Fair Oaks 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.
      IndexFair OaksVirginiaNational
      Air quality index475842
      Pollution index380,1241,561,8812,726,193

      Fair Oaks 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

      Fair Oaks air quality information

      PollutantTotal
      Arsenic0.003%
      Benzene0.005%
      Carbon Tetrachloride0.001%
      Lead0.001%
      Mercury0.000%

      Average monthly Fair Oaks temperature with heat index

      Fair Oaks monthly precipitation with daily maximum

      Fair Oaks monthly snow depth with daily maximum

      Fair Oaks monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Manassas Park, VA17,548476.0%
      McNair, VA20,776476.0%
      Independent Hill, VA9,514476.0%
      Haymarket, VA1,485476.0%
      Bethesda, MD65,092476.0%
      Fair Oaks, VA34,466476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      McMinnville, OR34,4663236.0%
      Vestavia Hills, AL34,482536.0%
      Montgomery Village, MD34,413476.0%
      Norristown, PA34,392512.0%
      University CDP (Orange County), FL34,3794314.0%
      Fair Oaks, VA34,466476.0%
      Source: The Fair Oaks, 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.