TODAY APR18
TEMPERATURE62
HUMIDITY78
PRESSURE101420
WIND COND.240 5.4
  • 6448Fri20%60%
  • 6338Sat
  • 5938Sun
  • 6442Mon
  • 6948Tue60%
daynightWeather update from Hagerstown, Washington County Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Guilford for July is 75.7 degrees
  • The lowest monthly average temperature in Guilford for January is 31.2 degrees
  • The most monthly precipitation in Guilford occurs in October with 5.8 inches
  • The air quality index in Guilford is 14% better than the national average
  • The pollution index in Guilford is 495% worse than the national average

Compare Guilford, PA Weather

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      Guilford 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°F39°F31°F2.9"
      February26°F42°F33°F2.8"
      March34°F53°F43°F4.1"
      April44°F65°F54°F4.9"
      May53°F73°F63°F4.8"
      June62°F82°F71°F5.4"
      July66°F86°F76°F4.0"
      August64°F84°F73°F4.2"
      September58°F77°F67°F5.2"
      October48°F67°F57°F5.8"
      November38°F55°F46°F3.1"
      December31°F45°F38°F4.6"

      Guilford 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.
      IndexGuilfordPennsylvaniaNational
      Air quality index364542
      Pollution index16,230,7004,584,8052,726,193

      Guilford air quality information

      MeasurementTotal
      Days measured341
      Days with good air quality324
      Days with moderate air quality17
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Guilford air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.130%
      Carbon Tetrachloride0.090%
      Lead0.080%
      Mercury0.020%

      Average monthly Guilford temperature with heat index

      Guilford monthly precipitation with daily maximum

      Guilford monthly snow depth with daily maximum

      Guilford monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Chambersburg, PA21,0173628.0%
      Orrstown, PA3423628.0%
      Mont Alto, PA1,7563628.0%
      Marion, PA1,5513628.0%
      Fayetteville, PA2,8553628.0%
      Guilford, PA3,5713628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Hannahs Mill, GA3,5713824.0%
      Abingdon, IL3,5704118.0%
      Dixmoor, IL3,5705510.0%
      Lockeford, CA3,5724510.0%
      Unicoi, TN3,5724510.0%
      Guilford, PA3,5713628.0%
      Source: The Guilford, 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.