TODAY MAR01
TEMPERATURE53
HUMIDITY56
PRESSURE102170
WIND COND.70 11.2
  • 7651Fri
  • 8461Sat
  • 8464Sun
  • 8361Mon20%
  • 8660Tue
daynightWeather update from Cotulla, Cotulla-La Salle County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Dilley for August is 86.9 degrees
  • The lowest monthly average temperature in Dilley for January is 55.1 degrees
  • The most monthly precipitation in Dilley occurs in May with 3.3 inches
  • The air quality index in Dilley is 16% worse than the national average
  • The pollution index in Dilley is 91% better than the national average

Compare Dilley, TX Weather

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      Dilley 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
      January44°F70°F55°F1.2"
      February48°F75°F60°F1.0"
      March55°F82°F67°F1.7"
      April62°F88°F74°F1.7"
      May68°F93°F79°F3.3"
      June73°F98°F85°F1.8"
      July75°F99°F86°F3.2"
      August75°F101°F87°F1.5"
      September71°F95°F82°F3.2"
      October63°F88°F74°F2.0"
      November54°F79°F65°F0.7"
      December46°F69°F56°F1.4"

      Dilley 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.
      IndexDilleyTexasNational
      Air quality index495242
      Pollution index233,7692,009,3002,726,193

      Dilley 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

      Dilley air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.003%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      Average monthly Dilley temperature with heat index

      Dilley monthly precipitation with daily maximum

      Dilley monthly snow depth with daily maximum

      Dilley monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Hilltop, TX196492.0%
      Hilltop CDP (Starr County), TX52492.0%
      Dilley, TX4,441492.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Armonk, NY4,4404314.0%
      Stellarton, NS4,442n/a 
      Parker, FL4,4393824.0%
      Miami Heights, OH4,439548.0%
      Winfield, AL4,4433530.0%
      Dilley, TX4,441492.0%
      Source: The Dilley, 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.