TODAY MAR03
TEMPERATURE64
HUMIDITY100
PRESSURE101250
WIND COND.210 13
  • 7864Sun
  • 7861Mon30%30%
  • 8558Tue
  • 8262Wed20%
  • 7559Thu40%30%
daynightWeather update from Austin Executive Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Round Rock for August is 85.4 degrees
  • The lowest monthly average temperature in Round Rock for January is 48.8 degrees
  • The most monthly precipitation in Round Rock occurs in July with 15.2 inches
  • The air quality index in Round Rock is 5% worse than the national average
  • The pollution index in Round Rock is 29% better than the national average

Compare Round Rock, TX Weather

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      Round Rock 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
      January38°F62°F49°F8.0"
      February43°F67°F53°F3.9"
      March50°F74°F61°F8.5"
      April58°F80°F68°F6.8"
      May65°F86°F75°F10.2"
      June72°F93°F83°F10.1"
      July75°F95°F85°F15.2"
      August74°F97°F85°F11.2"
      September68°F90°F79°F6.6"
      October58°F82°F70°F2.8"
      November49°F71°F59°F5.0"
      December41°F63°F51°F4.3"

      Round Rock 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.
      IndexRound RockTexasNational
      Air quality index445242
      Pollution index1,922,4002,009,3002,726,193

      Round Rock air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality249
      Days with moderate air quality114
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Round Rock air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.000%

      Average monthly Round Rock temperature with heat index

      Round Rock monthly precipitation with daily maximum

      Round Rock monthly snow depth with daily maximum

      Round Rock monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Serenada, TX1,4154216.0%
      Granger, TX1,1464216.0%
      Cedar Park, TX77,1814412.0%
      Leander, TX60,6134412.0%
      Wells Branch, TX12,5124412.0%
      Round Rock, TX128,8124412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Elizabeth, NJ128,484512.0%
      Concord, CA129,2274020.0%
      Thousand Oaks, CA127,648468.0%
      Kent, WA130,0384510.0%
      Stamford, CT130,0574314.0%
      Round Rock, TX128,8124412.0%
      Source: The Round Rock, 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.