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Weather Quick Facts

  • The highest monthly average temperature in Westlake Hills for July is 79.8 degrees
  • The lowest monthly average temperature in Westlake Hills for January is 39 degrees
  • The most monthly precipitation in Westlake Hills occurs in August with 5.4 inches
  • The air quality index in Westlake Hills is 5% worse than the national average
  • The pollution index in Westlake Hills is 96% worse than the national average

Compare Richmond, VA Weather

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      Westlake Hills 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
      January28°F52°F39°F3.2"
      February29°F54°F41°F2.5"
      March37°F63°F49°F3.7"
      April46°F75°F60°F3.7"
      May55°F80°F67°F4.2"
      June65°F89°F76°F4.5"
      July69°F92°F80°F4.6"
      August68°F90°F78°F5.4"
      September61°F84°F72°F4.7"
      October49°F74°F61°F4.2"
      November38°F64°F50°F3.7"
      December33°F55°F43°F4.3"

      Westlake Hills 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.
      IndexWestlake HillsRichmondVirginia
      Air quality index444458
      Pollution index5,336,07093,6861,561,881

      Westlake Hills air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality272
      Days with moderate air quality93
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Westlake Hills air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Westlake Hills temperature with heat index

      Westlake Hills monthly precipitation with daily maximum

      Westlake Hills monthly snow depth with daily maximum

      Westlake Hills monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Sandston, VA6,8334412.0%
      Woodlake, VA7,4044412.0%
      Bon Air, VA17,5994412.0%
      Glen Allen, VA14,8424412.0%
      Manchester, VA11,8144412.0%
      Richmond, VA229,2334412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Boise, ID228,0573628.0%
      Windsor, ON230,583n/a 
      Hialeah, FL233,8764118.0%
      Fremont, CA234,8294314.0%
      Richmond, BC222,489n/a 
      Richmond, VA229,2334412.0%
      Source: The Westlake Hills, Richmond, 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.