TODAY APR19
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 6349Sat90%100%
  • 6445Sun60%
  • 7053Mon
  • 7862Tue
  • 7966Wed20%
daynightWeather update from Hillsboro, Hillsboro Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Mertens for August is 85.1 degrees
  • The lowest monthly average temperature in Mertens for January is 46.3 degrees
  • The most monthly precipitation in Mertens occurs in May with 4.4 inches
  • The air quality index in Mertens is 3% better than the national average
  • The pollution index in Mertens is 52% better than the national average

Compare Mertens, TX Weather

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      Mertens 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
      January36°F59°F46°F3.2"
      February41°F64°F50°F1.9"
      March49°F71°F59°F2.6"
      April56°F78°F66°F3.4"
      May63°F84°F73°F4.4"
      June71°F92°F81°F3.2"
      July74°F95°F84°F1.9"
      August74°F97°F85°F1.9"
      September68°F90°F78°F3.1"
      October57°F81°F68°F4.1"
      November48°F70°F58°F1.9"
      December39°F60°F48°F1.8"

      Mertens 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.
      IndexMertensTexasNational
      Air quality index415242
      Pollution index1,309,4902,009,3002,726,193

      Mertens air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality275
      Days with moderate air quality80
      Days w/ poor A.Q. for sensitive groups7
      Days with unhealthy air quality3

      Mertens air quality information

      PollutantTotal
      Arsenic0.430%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.010%
      Mercury0.390%

      Average monthly Mertens temperature with heat index

      Mertens monthly precipitation with daily maximum

      Mertens monthly snow depth with daily maximum

      Mertens monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Hillsboro, TX8,3843824.0%
      Abbott, TX3543824.0%
      Bynum, TX3213824.0%
      Penelope, TX1243824.0%
      Carl's Corner, TX1834118.0%
      Mertens, TX1244118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Hyampom, CA1242746.0%
      Nicolaus, CA1244412.0%
      Weott, CA1242746.0%
      Osterdock, IA1242942.0%
      Elk River, ID1241080.0%
      Mertens, TX1244118.0%
      Source: The Mertens, 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.