TODAY NOV21
TEMPERATURE42
HUMIDITY49
PRESSURE102710
WIND COND.70 11.2
  • 4031Fri60%40%
  • 5035Sat
  • 5130Sun
  • 5540Mon
  • 5531Tue
daynightWeather update from Pottstown, Pottstown Limerick Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Harleysville for July is 75 degrees
  • The lowest monthly average temperature in Harleysville for February is 29.3 degrees
  • The most monthly precipitation in Harleysville occurs in April with 11.6 inches
  • The air quality index in Harleysville is equal to the national average
  • The pollution index in Harleysville is 201% worse than the national average

Compare Harleysville, PA Weather

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      Harleysville 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
      January25°F41°F33°F5.6"
      February21°F38°F29°F4.6"
      March29°F50°F39°F6.9"
      April40°F63°F51°F11.6"
      May48°F73°F61°F2.5"
      June61°F83°F72°F4.5"
      July65°F86°F75°F7.2"
      August65°F86°F75°F6.7"
      September56°F82°F69°F1.6"
      October49°F70°F59°F9.8"
      November35°F55°F44°F4.7"
      December26°F41°F33°F5.6"

      Harleysville 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.
      IndexHarleysvillePennsylvaniaNational
      Air quality index424542
      Pollution index8,206,3104,584,8052,726,193

      Harleysville 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
      Arsenic0.260%
      Benzene0.060%
      Carbon Tetrachloride0.020%
      Lead0.160%
      Mercury1.120%

      Average monthly Harleysville temperature with heat index

      Harleysville monthly precipitation with daily maximum

      Harleysville monthly snow depth with daily maximum

      Harleysville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Plumsteadville, PA2,2864118.0%
      Doylestown, PA8,2824118.0%
      Silverdale, PA9014216.0%
      East Greenville, PA2,9454216.0%
      Hereford, PA1,4864216.0%
      Harleysville, PA8,9754216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Cambridge, MN8,975468.0%
      Hernando, FL8,9773040.0%
      Mechanicsburg, PA8,9774412.0%
      Contrecoeur, QC8,977n/a 
      Craig, CO8,978492.0%
      Harleysville, PA8,9754216.0%
      Source: The Harleysville, 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.