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Key findings

  • The highest monthly average temperature in Castle Hills for August is 85 degrees
  • The lowest monthly average temperature in Castle Hills for January is 53 degrees
  • The most monthly precipitation in Castle Hills occurs in May with 5.2 inches
  • The air quality index in Castle Hills is 1% better than the national average
  • The pollution index in Castle Hills is 377% worse than the national average

Compare Castle Hills, TX Weather

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      Castle 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
      January41°F68°F53°F2.7"
      February44°F72°F57°F1.7"
      March51°F78°F64°F2.7"
      April58°F84°F70°F2.8"
      May65°F89°F76°F5.2"
      June73°F94°F83°F2.7"
      July75°F96°F84°F2.6"
      August76°F98°F85°F2.5"
      September70°F93°F80°F4.7"
      October60°F85°F72°F3.1"
      November51°F76°F63°F1.8"
      December43°F68°F54°F2.0"

      Castle 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.
      IndexCastle HillsTexasNational
      Air quality index495250
      Pollution index24,182,7004,642,9165,066,862

      Castle Hills air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality196
      Days with moderate air quality163
      Days w/ poor A.Q. for sensitive groups5
      Days with unhealthy air quality1

      Castle Hills air quality information

      PollutantTotal
      Arsenic0.310%
      Benzene0.310%
      Carbon Tetrachloride0.080%
      Lead0.140%
      Mercury0.230%

      Average monthly Castle Hills temperature with heat index

      Castle Hills monthly precipitation with daily maximum

      Castle Hills monthly snow depth with daily maximum

      Castle Hills monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Balcones Heights, TX3,017492%
      Garden Ridge, TX3,730492%
      Hollywood Park, TX3,257492%
      Live Oak, TX15,021492%
      San Antonio, TX1,439,358492%
      Castle Hills, TX4,367492%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Florence, NJ4,3664118%
      Archbold, OH4,3683922%
      Valley Green, PA4,3684412%
      Camanche, IA4,3684216%
      California, MO4,3683922%
      Castle Hills, TX4,367492%
      Source: The Castle Hills, TX 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.