TODAY MAR19
TEMPERATURE31
HUMIDITY75
PRESSURE101320
WIND COND.260 11.2
  • 4737Tue30%
  • 5024Wed20%
  • 4223Thu
  • 5237Fri60%
  • 4925Sat50%
daynightWeather update from Pittsburgh - Allegheny County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Monongahela for July is 73.5 degrees
  • The lowest monthly average temperature in Monongahela for January is 29.7 degrees
  • The most monthly precipitation in Monongahela occurs in July with 5.1 inches
  • The air quality index in Monongahela is 33% worse than the national average
  • The pollution index in Monongahela is 67% better than the national average

Compare Monongahela, PA Weather

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      Monongahela 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
      January22°F38°F30°F3.2"
      February23°F39°F30°F2.2"
      March32°F52°F41°F3.4"
      April43°F65°F53°F3.4"
      May52°F74°F62°F4.2"
      June60°F81°F70°F5.1"
      July64°F84°F73°F5.1"
      August63°F82°F72°F4.1"
      September56°F77°F66°F3.1"
      October46°F65°F54°F3.8"
      November35°F54°F44°F2.8"
      December28°F43°F35°F3.7"

      Monongahela 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.
      IndexMonongahelaPennsylvaniaNational
      Air quality index564542
      Pollution index889,8084,584,8052,726,193

      Monongahela air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality129
      Days with moderate air quality220
      Days w/ poor A.Q. for sensitive groups12
      Days with unhealthy air quality4

      Monongahela air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.030%
      Mercury0.030%

      Average monthly Monongahela temperature with heat index

      Monongahela monthly precipitation with daily maximum

      Monongahela monthly snow depth with daily maximum

      Monongahela monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Centerville borough (Crawford County), PA1773628.0%
      Deemston, PA7023628.0%
      Marianna, PA5313628.0%
      Allison, PA4103628.0%
      Centerville, PA3,1593628.0%
      Monongahela, PA4,1425612.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Reiffton, PA4,1424216.0%
      Madison, GA4,1414412.0%
      Shelburne, NS4,143n/a 
      Broadmoor, CA4,1404314.0%
      Lincoln, ND4,1403628.0%
      Monongahela, PA4,1425612.0%
      Source: The Monongahela, 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.