TODAY DEC22
TEMPERATURE27
HUMIDITY42
PRESSURE103120
WIND COND.330 13
  • 3024Mon
  • 4024Tue40%
  • 3727
  • 3726Thu
  • 4030Fri
daynightWeather update from York, York Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Stewartstown for July is 73.8 degrees
  • The lowest monthly average temperature in Stewartstown for February is 28.6 degrees
  • The most monthly precipitation in Stewartstown occurs in October with 10 inches
  • The air quality index in Stewartstown is 3% better than the national average
  • The pollution index in Stewartstown is 360% worse than the national average

Compare Stewartstown, PA Weather

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      Stewartstown 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°F42°F33°F4.1"
      February19°F39°F29°F3.3"
      March27°F51°F38°F7.5"
      April39°F62°F50°F7.2"
      May46°F73°F60°F3.6"
      June60°F84°F72°F4.8"
      July62°F86°F74°F7.7"
      August63°F86°F74°F8.7"
      September54°F81°F67°F0.4"
      October47°F71°F58°F10.0"
      November33°F57°F45°F4.7"
      December23°F41°F33°F4.8"

      Stewartstown 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.
      IndexStewartstownPennsylvaniaNational
      Air quality index414542
      Pollution index12,532,5004,584,8052,726,193

      Stewartstown air quality

      MeasurementTotal
      Days measured365
      Days with good air quality299
      Days with moderate air quality66
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Stewartstown temperature with heat index

      Stewartstown monthly precipitation with daily maximum

      Stewartstown monthly snow depth with daily maximum

      Stewartstown monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Dallastown, PA3,8894118.0%
      New Salem, PA8864118.0%
      Tyler Run, PA1,9314118.0%
      Yoe, PA9804118.0%
      Windsor, PA1,2654118.0%
      Stewartstown, PA1,7514118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Pagosa Springs, CO1,7514412.0%
      Lake City, IA1,7513726.0%
      Winchester, MO1,751548.0%
      Walker Valley, NY1,7513628.0%
      Elkland, PA1,7513530.0%
      Stewartstown, PA1,7514118.0%
      Source: The Stewartstown, 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.