TODAY MAR19
TEMPERATURE38
HUMIDITY50
PRESSURE101360
WIND COND.290 13
  • 6131Wed
  • 4830Thu
  • 4840Fri60%
  • 5431Sat60%50%
  • 4934Sun
daynightWeather update from College Park Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Hillandale for July is 80.8 degrees
  • The lowest monthly average temperature in Hillandale for January is 37.1 degrees
  • The most monthly precipitation in Hillandale occurs in June with 5.3 inches
  • The air quality index in Hillandale is 12% worse than the national average
  • The pollution index in Hillandale is 455% worse than the national average

Compare Hillandale, MD Weather

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      Hillandale 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
      January28°F47°F37°F2.7"
      February29°F50°F38°F2.3"
      March37°F60°F47°F3.2"
      April47°F71°F58°F3.4"
      May56°F78°F67°F4.6"
      June67°F87°F77°F5.3"
      July72°F91°F81°F4.2"
      August70°F90°F79°F3.2"
      September63°F83°F72°F3.5"
      October52°F72°F61°F5.0"
      November40°F61°F50°F2.5"
      December33°F52°F42°F3.8"

      Hillandale 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.
      IndexHillandaleMarylandNational
      Air quality index474342
      Pollution index15,133,0005,342,3672,726,193

      Hillandale air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality209
      Days with moderate air quality145
      Days w/ poor A.Q. for sensitive groups10
      Days with unhealthy air quality1

      Hillandale air quality information

      PollutantTotal
      Arsenic0.070%
      Benzene0.130%
      Carbon Tetrachloride0.060%
      Lead0.070%
      Mercury0.130%

      Average monthly Hillandale temperature with heat index

      Hillandale monthly precipitation with daily maximum

      Hillandale monthly snow depth with daily maximum

      Hillandale monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Fort Meade, MD11,340468.0%
      North Laurel, MD24,856468.0%
      Columbia, MD105,412468.0%
      Jessup, MD10,458468.0%
      Elkridge, MD21,778468.0%
      Hillandale, MD4,737476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Franklin, NJ4,7373432.0%
      Dundee, FL4,7383628.0%
      Morganville, NJ4,7384118.0%
      Harrington Park, NJ4,735512.0%
      Blue Point, NY4,7394314.0%
      Hillandale, MD4,737476.0%
      Source: The Hillandale, MD 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.