TODAY NOV21
TEMPERATURE43
HUMIDITY73
PRESSURE100270
WIND COND.320 20.5
  • 4437Fri40%40%
  • 5340Sat
  • 5636Sun
  • 6047Mon
  • 5737Tue30%
daynightWeather update from Washington/Dulles International Airport, DC at
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Weather Quick Facts

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

Compare Fair Lakes, VA Weather

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      Fair Lakes 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 Lakes 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 LakesVirginiaNational
      Air quality index475842
      Pollution index380,1241,561,8812,726,193

      Fair Lakes air quality

      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

      Air quality details

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

      Average monthly Fair Lakes temperature with heat index

      Fair Lakes monthly precipitation with daily maximum

      Fair Lakes monthly snow depth with daily maximum

      Fair Lakes monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bull Run Mountain Estates, VA1,7773824.0%
      Manassas, VA41,038476.0%
      Chantilly, VA23,820476.0%
      Stone Ridge, VA15,034476.0%
      Bull Run, VA16,769476.0%
      Fair Lakes, VA8,398476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Kalifornsky, AK8,3953138.0%
      Harwood Heights, IL8,3935510.0%
      Beaver Falls, PA8,393688.0%
      Kennedale, TX8,393512.0%
      Salem, UT8,403468.0%
      Fair Lakes, VA8,398476.0%
      Source: The Fair Lakes, 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.