TODAY DEC22
TEMPERATURE30
HUMIDITY41
PRESSURE102710
WIND COND.340 24.1
  • 3213Sun
  • 3525Mon
  • 4628Tue20%
  • 4228
  • 4431Thu
daynightWeather update from Washington/Dulles International Airport, DC at
New Real Estate Listings in Ashburn Area
Search Homes for Sale in Ashburn, VA

Weather Quick Facts

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

Compare Ashburn, VA Weather

      vs
      How would you rate the weather in Ashburn?
      Write a review to give others more information about this area.
      How would you rate the air quality in Ashburn?
      Write a review to give others more information about this area.
      See all Ashburn poll results

      Ashburn 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"

      Ashburn 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.
      IndexAshburnVirginiaNational
      Air quality index475842
      Pollution index380,1241,561,8812,726,193

      Ashburn 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 Ashburn temperature with heat index

      Ashburn monthly precipitation with daily maximum

      Ashburn monthly snow depth with daily maximum

      Ashburn monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bull Run Mountain Estates, VA1,7773824.0%
      Middleburg, VA5733824.0%
      Woodburn, VA10,0813824.0%
      Hamilton, VA7083824.0%
      Hillsboro, VA1973824.0%
      Ashburn, VA44,090476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Burke, VA44,077476.0%
      Wake Forest, NC44,068468.0%
      Rocky View County, AB44,056n/a 
      York, PA44,0194118.0%
      Cleveland Heights, OH44,17650= 100
      Ashburn, VA44,090476.0%
      Source: The Ashburn, 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.