TODAY NOV24
TEMPERATURE41
HUMIDITY76
PRESSURE101460
WIND COND.210 5.4
  • 5834Sun
  • 5947Mon
  • 6134Tue50%
  • 5241Wed
  • 503780%70%
daynightWeather update from Manassas, Manassas Regional Airport/Harry P. Davis Field at
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Weather Quick Facts

  • The highest monthly average temperature in Haymarket for August is 77 degrees
  • The lowest monthly average temperature in Haymarket for February is 32.2 degrees
  • The most monthly precipitation in Haymarket occurs in May with 15.9 inches
  • The air quality index in Haymarket is 12% worse than the national average
  • The pollution index in Haymarket is 92% better than the national average

Compare Haymarket, VA Weather

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      Haymarket 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
      January29°F48°F37°F2.3"
      February23°F44°F32°F2.7"
      March33°F56°F43°F7.5"
      April42°F68°F54°F6.5"
      May50°F76°F63°F15.9"
      June62°F87°F73°F3.1"
      July67°F89°F76°F13.9"
      August67°F90°F77°F4.3"
      September57°F85°F70°F0.7"
      October50°F74°F60°F3.0"
      November36°F61°F47°F4.5"
      December27°F47°F36°F4.2"

      Haymarket 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.
      IndexHaymarketVirginiaNational
      Air quality index475842
      Pollution index205,2161,561,8812,726,193

      Haymarket 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
      Arsenic0.001%
      Benzene0.002%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      Average monthly Haymarket temperature with heat index

      Haymarket monthly precipitation with daily maximum

      Haymarket monthly snow depth with daily maximum

      Haymarket monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Marshall, VA2,9133824.0%
      New Baltimore, VA11,0173824.0%
      Warrenton, VA9,9283824.0%
      The Plains, VA1683824.0%
      Bull Run Mountain Estates, VA1,7773824.0%
      Haymarket, VA1,485476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Conway Springs, KS1,4854020.0%
      Steelville, MO1,4853922.0%
      Minetto, NY1,4853726.0%
      Centre Hall, PA1,4854412.0%
      Lone Pine, CA1,484476.0%
      Haymarket, VA1,485476.0%
      Source: The Haymarket, 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.