TODAY DEC22
TEMPERATURE27
HUMIDITY48
PRESSURE102950
WIND COND.340 11.2
  • 3114
  • 3526Mon
  • 4430Tue30%
  • 4231
  • 4433Thu
daynightWeather update from Washington/Reagan National Airport, DC at
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Weather Quick Facts

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

Compare Langley Park, MD Weather

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      Langley Park 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"

      Langley Park 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.
      IndexLangley ParkMarylandNational
      Air quality index474342
      Pollution index15,133,0005,342,3672,726,193

      Langley Park air quality

      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

      Air quality details

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

      Average monthly Langley Park temperature with heat index

      Langley Park monthly precipitation with daily maximum

      Langley Park monthly snow depth with daily maximum

      Langley Park monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Maryland City, MD17,681468.0%
      Elkridge, MD21,778468.0%
      Savage, MD6,849468.0%
      Fort Meade, MD11,340468.0%
      North Laurel, MD24,856468.0%
      Langley Park, MD19,391476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Yorkville, IL19,3860100.0%
      Montrose, CO19,3964412.0%
      Five Forks, SC19,399468.0%
      Fairwood, WA19,4004510.0%
      Johnstown, PA19,3813922.0%
      Langley Park, MD19,391476.0%
      Source: The Langley Park, 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.