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Key findings

  • The highest monthly average temperature in Mount Holly Springs for July is 76.6 degrees
  • The lowest monthly average temperature in Mount Holly Springs for January is 31.6 degrees
  • The most monthly precipitation in Mount Holly Springs occurs in October with 5.1 inches
  • The air quality index in Mount Holly Springs is 16% better than the national average
  • The pollution index in Mount Holly Springs is 360% worse than the national average

Compare Mount Holly Springs, PA Weather

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      Mount Holly Springs 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
      January24°F40°F32°F2.5"
      February24°F43°F33°F2.3"
      March33°F53°F42°F2.7"
      April43°F66°F54°F3.9"
      May52°F75°F63°F3.9"
      June62°F83°F73°F4.6"
      July67°F87°F77°F4.4"
      August64°F85°F74°F4.2"
      September58°F79°F68°F3.4"
      October47°F67°F56°F5.1"
      November36°F55°F45°F2.4"
      December29°F45°F36°F3.7"

      Mount Holly Springs 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.
      IndexMount Holly SpringsPennsylvaniaNational
      Air quality index424550
      Pollution index12,532,5004,584,8052,726,193

      Mount Holly Springs air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality288
      Days with moderate air quality77
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Mount Holly Springs air quality information

      PollutantTotal
      Arsenic0.180%
      Benzene0.090%
      Carbon Tetrachloride0.020%
      Lead0.130%
      Mercury0.270%

      Average monthly Mount Holly Springs temperature with heat index

      Mount Holly Springs monthly precipitation with daily maximum

      Mount Holly Springs monthly snow depth with daily maximum

      Mount Holly Springs monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Newville, PA1,2743628.0%
      East Berlin, PA1,5634118.0%
      Wellsville, PA2684118.0%
      Arendtsville, PA9784216.0%
      Hampton, PA9174216.0%
      Mount Holly Springs, PA1,9714216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Long Valley, NJ1,9713432.0%
      Rainier, OR1,9711864.0%
      Division No. 4, Subd. E, NL1,971n/a 
      Igloolik, NU1,971n/a 
      Watkins Glen, NY1,9703530.0%
      Mount Holly Springs, PA1,9714216.0%
      Source: The Mount Holly Springs, 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.