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Key findings

  • The highest monthly average temperature in Hershey for July is 76.3 degrees
  • The lowest monthly average temperature in Hershey for February is 31.7 degrees
  • The most monthly precipitation in Hershey occurs in September with 5.2 inches
  • The air quality index in Hershey is 16% better than the national average
  • The pollution index in Hershey is 307% worse than the national average

Compare Hershey, PA Weather

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      Hershey 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°F32°F3.2"
      February25°F40°F32°F3.0"
      March33°F52°F42°F3.2"
      April44°F65°F54°F4.0"
      May52°F74°F62°F4.0"
      June64°F83°F73°F5.1"
      July67°F86°F76°F5.1"
      August67°F85°F75°F3.5"
      September59°F77°F67°F5.2"
      October47°F66°F55°F4.2"
      November38°F55°F45°F3.2"
      December28°F42°F35°F5.1"

      Hershey 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.
      IndexHersheyPennsylvaniaNational
      Air quality index424550
      Pollution index11,091,2004,584,8052,726,193

      Hershey air quality information

      MeasurementTotal
      Days measured360
      Days with good air quality278
      Days with moderate air quality78
      Days w/ poor A.Q. for sensitive groups4
      Days with unhealthy air quality0

      Hershey air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.140%
      Carbon Tetrachloride0.030%
      Lead0.310%
      Mercury0.004%

      Average monthly Hershey temperature with heat index

      Hershey monthly precipitation with daily maximum

      Hershey monthly snow depth with daily maximum

      Hershey monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      York Haven, PA6454118.0%
      Rheems, PA1,5514118.0%
      Mount Wolf, PA1,7084118.0%
      Bainbridge, PA1,6404118.0%
      Maytown, PA3,8934118.0%
      Hershey, PA14,3384216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Glasgow, KY14,3384314.0%
      Lavaltrie, QC14,339n/a 
      Antioch, IL14,3423922.0%
      Chubbuck, ID14,3262746.0%
      Hartford, WI14,3503726.0%
      Hershey, PA14,3384216.0%
      Source: The Hershey, 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.