TODAY NOV21
TEMPERATURE54
HUMIDITY43
PRESSURE100240
WIND COND.270 16.6
  • 4236Fri50%40%
  • 5442Sat
  • 5636Sun
  • 6046Mon
  • 5836Tue30%
daynightWeather update from Washington/Reagan National Airport, DC at
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Weather Quick Facts

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

Compare Riverdale Park, MD Weather

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      Riverdale 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"

      Riverdale 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.
      IndexRiverdale ParkMarylandNational
      Air quality index474342
      Pollution index15,133,0005,342,3672,726,193

      Riverdale 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 Riverdale Park temperature with heat index

      Riverdale Park monthly precipitation with daily maximum

      Riverdale Park monthly snow depth with daily maximum

      Riverdale Park monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Savage, MD6,849468.0%
      Fort Meade, MD11,340468.0%
      Maryland City, MD17,681468.0%
      Severn, MD53,374468.0%
      Gambrills, MD2,929468.0%
      Riverdale Park, MD7,216476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Dunellen, NJ7,215512.0%
      Umatilla, OR7,2153726.0%
      Neptune Beach, FL7,2144314.0%
      Lago Vista, TX7,2124412.0%
      Twin Rivers, NJ7,2214118.0%
      Riverdale Park, MD7,216476.0%
      Source: The Riverdale 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.