TODAY NOV07
TEMPERATURE70
HUMIDITY53
PRESSURE102000
WIND COND.
  • 6640Fri
  • 5734Sat
  • 5849Sun80%
  • 654550%
  • 6037Tue
daynightWeather update from Allentown Queen City Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Mertztown for July is 75.4 degrees
  • The lowest monthly average temperature in Mertztown for January is 29.9 degrees
  • The most monthly precipitation in Mertztown occurs in July with 6.4 inches
  • The air quality index in Mertztown is equal to the national average
  • The pollution index in Mertztown is 53% better than the national average

Compare Mertztown, PA Weather

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      Mertztown 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
      January20°F40°F30°F3.5"
      February20°F42°F31°F3.1"
      March28°F53°F40°F3.4"
      April38°F67°F52°F3.9"
      May48°F76°F62°F3.7"
      June58°F84°F71°F5.5"
      July63°F88°F75°F6.4"
      August61°F85°F73°F5.0"
      September54°F80°F66°F4.5"
      October43°F68°F55°F5.4"
      November33°F56°F44°F2.8"
      December26°F45°F35°F4.9"

      Mertztown 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.
      IndexMertztownPennsylvaniaNational
      Air quality index424542
      Pollution index1,279,5304,584,8052,726,193

      Mertztown air quality

      MeasurementTotal
      Days measured365
      Days with good air quality275
      Days with moderate air quality86
      Days w/ poor A.Q. for sensitive groups4
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Mertztown temperature with heat index

      Mertztown monthly precipitation with daily maximum

      Mertztown monthly snow depth with daily maximum

      Mertztown monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Woxall, PA1,4774216.0%
      Coplay, PA3,2044216.0%
      Fullerton, PA15,4154216.0%
      Stiles, PA1,1954216.0%
      Lenhartsville, PA1484216.0%
      Mertztown, PA9334216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Mi-Wuk Village, CA9333922.0%
      Woods Hole, MA9333628.0%
      Grawn, MI9333628.0%
      Charlestown, NH9333432.0%
      Salem, NY9333530.0%
      Mertztown, PA9334216.0%
      Source: The Mertztown, PA 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.