TODAY NOV25
TEMPERATURE57
HUMIDITY83
PRESSURE101460
WIND COND.240 11.2
  • 6233Mon
  • 6849Tue
  • 8340Wed
  • 5631
  • 5839Fri
daynightWeather update from San Angelo, Mathis Field at
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Weather Quick Facts

  • The highest monthly average temperature in Mertzon for July is 83.8 degrees
  • The lowest monthly average temperature in Mertzon for January is 46.4 degrees
  • The most monthly precipitation in Mertzon occurs in May with 4.1 inches
  • The air quality index in Mertzon is 33% better than the national average
  • The pollution index in Mertzon is 53% better than the national average

Compare Mertzon, TX Weather

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      Mertzon 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
      January32°F65°F46°F1.1"
      February36°F70°F51°F1.2"
      March44°F78°F60°F1.8"
      April52°F85°F68°F1.8"
      May60°F90°F74°F4.1"
      June69°F97°F82°F2.4"
      July71°F98°F84°F1.3"
      August71°F98°F84°F2.9"
      September64°F92°F77°F3.3"
      October52°F84°F67°F2.1"
      November42°F74°F57°F0.8"
      December34°F66°F48°F1.0"

      Mertzon 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.
      IndexMertzonTexasNational
      Air quality index285242
      Pollution index1,277,5402,009,3002,726,193

      Mertzon air quality

      MeasurementTotal
      Days measured354
      Days with good air quality319
      Days with moderate air quality35
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.002%
      Lead0.080%
      Mercury0.000%

      Average monthly Mertzon temperature with heat index

      Mertzon monthly precipitation with daily maximum

      Mertzon monthly snow depth with daily maximum

      Mertzon monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Mertzon, TX9962844.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Central Lake, MI9963628.0%
      Lenkerville, PA9964412.0%
      Soudersburg, PA9964510.0%
      Boonville, CA9973334.0%
      Jeffersonville, GA9973824.0%
      Mertzon, TX9962844.0%
      Source: The Mertzon, 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.