TODAY NOV09
TEMPERATURE58
HUMIDITY84
PRESSURE101800
WIND COND.320 7.6
  • 7356Sat
  • 8053Sun
  • 8153
  • 8158Tue
  • 7847Wed
daynightWeather update from Horseshoe Bay Resort Airpark at
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Weather Quick Facts

  • The highest monthly average temperature in Johnson City for August is 83.9 degrees
  • The lowest monthly average temperature in Johnson City for January is 47.8 degrees
  • The most monthly precipitation in Johnson City occurs in June with 16.6 inches
  • The air quality index in Johnson City is 5% worse than the national average
  • The pollution index in Johnson City is 31% better than the national average

Compare Johnson City, TX Weather

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      Johnson City 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
      January35°F64°F48°F4.5"
      February40°F68°F52°F0.6"
      March46°F73°F58°F3.6"
      April56°F82°F67°F3.2"
      May62°F86°F73°F15.1"
      June71°F93°F81°F16.6"
      July71°F96°F83°F8.2"
      August72°F97°F84°F5.6"
      September68°F91°F78°F7.6"
      October58°F84°F70°F6.2"
      November46°F71°F57°F8.9"
      December40°F64°F50°F4.4"

      Johnson City 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.
      IndexJohnson CityTexasNational
      Air quality index445242
      Pollution index1,877,9202,009,3002,726,193

      Johnson City air quality

      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

      Air quality details

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

      Average monthly Johnson City temperature with heat index

      Johnson City monthly precipitation with daily maximum

      Johnson City monthly snow depth with daily maximum

      Johnson City monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Blanco, TX2,6704412.0%
      Round Mountain, TX1464412.0%
      Johnson City, TX1,7804412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Hico, TX1,7803334.0%
      Level Plains, AL1,7813530.0%
      Delaware City, DE1,7794216.0%
      Zeigler, IL1,7794314.0%
      Lake Dalecarlia, IN1,7793726.0%
      Johnson City, TX1,7804412.0%
      Source: The Johnson City, 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.