TODAY APR20
TEMPERATURE75
HUMIDITY64
PRESSURE101760
WIND COND.80 7.6
  • 7754Sat20%80%
  • 6851Sun20%
  • 7156Mon
  • 8064Tue
  • 8467Wed
daynightWeather update from Castroville Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Big Country for August is 85.8 degrees
  • The lowest monthly average temperature in Big Country for January is 53.2 degrees
  • The most monthly precipitation in Big Country occurs in May with 4.4 inches
  • The air quality index in Big Country is 16% worse than the national average
  • The pollution index in Big Country is 787% worse than the national average

Compare San Antonio, TX Weather

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      Big Country 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
      January42°F67°F53°F2.4"
      February47°F71°F57°F1.2"
      March54°F78°F64°F2.5"
      April60°F84°F71°F2.4"
      May67°F89°F77°F4.4"
      June73°F95°F83°F1.8"
      July75°F97°F84°F2.3"
      August75°F99°F86°F2.9"
      September71°F93°F81°F3.2"
      October62°F86°F73°F2.4"
      November53°F76°F63°F1.5"
      December45°F67°F55°F1.8"

      Big Country 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.
      IndexBig CountrySan AntonioTexas
      Air quality index494952
      Pollution index24,182,70024,182,7002,009,300

      Big Country 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

      Big Country air quality information

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

      Average monthly Big Country temperature with heat index

      Big Country monthly precipitation with daily maximum

      Big Country monthly snow depth with daily maximum

      Big Country monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Shavano Park, TX3,874492.0%
      Hill Country Village, TX635492.0%
      Lytle, TX2,429492.0%
      Leon Valley, TX12,279492.0%
      Balcones Heights, TX3,128492.0%
      San Antonio, TX1,529,133492.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Philadelphia, PA1,581,531512.0%
      San Diego, CA1,414,5456428.0%
      Phoenix, AZ1,658,4227448.0%
      Calgary, AB1,371,990n/a 
      Dallas, TX1,338,846512.0%
      San Antonio, TX1,529,133492.0%
      Source: The Big Country, San Antonio, 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.