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Key findings

  • The highest monthly average temperature in Occoquan for July is 78.1 degrees
  • The lowest monthly average temperature in Occoquan for January is 35 degrees
  • The most monthly precipitation in Occoquan occurs in September with 11.4 inches
  • The air quality index in Occoquan is 5% better than the national average
  • The pollution index in Occoquan is 86% better than the national average

Compare Occoquan, VA Weather

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      Occoquan 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
      January26°F45°F35°F4.6"
      February27°F48°F37°F4.1"
      March36°F59°F47°F5.4"
      April45°F70°F57°F6.6"
      May54°F77°F66°F7.2"
      June63°F86°F74°F10.2"
      July67°F89°F78°F8.7"
      August66°F87°F76°F7.4"
      September59°F81°F69°F11.4"
      October48°F70°F58°F8.8"
      November37°F59°F47°F5.7"
      December31°F50°F40°F5.9"

      Occoquan 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.
      IndexOccoquanVirginiaNational
      Air quality index475850
      Pollution index380,1241,561,8812,726,193

      Occoquan 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

      Occoquan air quality information

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

      Average monthly Occoquan temperature with heat index

      Occoquan monthly precipitation with daily maximum

      Occoquan monthly snow depth with daily maximum

      Occoquan monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Fair Oaks, VA33,478476.0%
      Manassas, VA41,149476.0%
      Bull Run, VA15,274476.0%
      Yorkshire, VA9,043476.0%
      National Harbor, MD4,279476.0%
      Occoquan, VA947476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Dighton, KS9471570.0%
      Clarence, MO9474118.0%
      Chappell, NE9471962.0%
      Alger, OH9473922.0%
      Milford Center, OH9474510.0%
      Occoquan, VA947476.0%
      Source: The Occoquan, 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.