TODAY MAR19
TEMPERATURE37
HUMIDITY52
PRESSURE101020
WIND COND.290 16.6
  • 4939Tue
  • 5531Wed
  • 4727Thu
  • 4838Fri40%
  • 5435Sat50%
daynightWeather update from Philadelphia, Philadelphia International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Colwyn for July is 79.2 degrees
  • The lowest monthly average temperature in Colwyn for January is 34.4 degrees
  • The most monthly precipitation in Colwyn occurs in August with 5.8 inches
  • The air quality index in Colwyn is 21% worse than the national average
  • The pollution index in Colwyn is 20% better than the national average

Compare Colwyn, PA Weather

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      Colwyn 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
      January26°F44°F34°F3.3"
      February26°F46°F35°F2.6"
      March33°F56°F44°F3.6"
      April44°F68°F56°F4.0"
      May54°F77°F65°F3.9"
      June64°F86°F74°F4.8"
      July70°F90°F79°F5.0"
      August68°F87°F77°F5.8"
      September61°F82°F71°F4.3"
      October50°F70°F59°F4.7"
      November39°F59°F48°F2.8"
      December31°F49°F40°F4.7"

      Colwyn 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.
      IndexColwynPennsylvaniaNational
      Air quality index514542
      Pollution index2,169,6004,584,8052,726,193

      Colwyn air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality180
      Days with moderate air quality169
      Days w/ poor A.Q. for sensitive groups16
      Days with unhealthy air quality0

      Colwyn air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.030%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.004%

      Average monthly Colwyn temperature with heat index

      Colwyn monthly precipitation with daily maximum

      Colwyn monthly snow depth with daily maximum

      Colwyn monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Glassboro, NJ20,0694020.0%
      Richwood, NJ3,9674020.0%
      Swarthmore, PA6,339512.0%
      Fox Chase, PA1,832512.0%
      Rockledge, PA2,536512.0%
      Colwyn, PA2,541512.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Green Level, NC2,5413138.0%
      Wrightsville Beach, NC2,5413432.0%
      Piermont, NY2,541512.0%
      Arcola, TX2,541524.0%
      La Présentation, QC2,541n/a 
      Colwyn, PA2,541512.0%
      Source: The Colwyn, 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.