TODAY APR21
TEMPERATURE63
HUMIDITY49
PRESSURE29.85
WIND COND.180 22.3
  • 6737Wed40%
  • 5539Thu
  • 6545Fri
  • 6852Sat80%
  • 6544Sun80%
daynightWeather update from Camp Springs / Andrews Air Force Base at

Key findings

  • The highest monthly average temperature in Capitol Heights for July is 78 degrees
  • The lowest monthly average temperature in Capitol Heights for January is 35.4 degrees
  • The most monthly precipitation in Capitol Heights occurs in July with 8.7 inches
  • The air quality index in Capitol Heights is 5% better than the national average
  • The pollution index in Capitol Heights is 83% better than the national average

Compare Capitol Heights, MD Weather

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      Capitol Heights 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
      January27°F45°F35°F4.8"
      February28°F47°F36°F6.4"
      March36°F57°F46°F6.0"
      April45°F68°F56°F6.7"
      May55°F76°F65°F6.5"
      June64°F84°F74°F8.6"
      July68°F88°F78°F8.7"
      August66°F86°F76°F7.5"
      September60°F80°F69°F8.6"
      October49°F69°F58°F8.1"
      November38°F58°F47°F7.5"
      December32°F50°F40°F7.1"

      Capitol Heights 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.
      IndexCapitol HeightsMarylandNational
      Air quality index474350
      Pollution index849,1856,283,4705,066,862

      Capitol Heights 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

      Capitol Heights air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.003%
      Mercury0.000%

      Average monthly Capitol Heights temperature with heat index

      Capitol Heights monthly precipitation with daily maximum

      Capitol Heights monthly snow depth with daily maximum

      Capitol Heights monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Gambrills, MD2,613468%
      Odenton, MD39,759468%
      Queensland, MD2,010476%
      Woodmore, MD4,205476%
      Fort Washington, MD23,895476%
      Capitol Heights, MD4,489476%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Oconto, WI4,4883628%
      Fayette, AL4,4913530%
      Byram, CT4,4874314%
      Mount Vernon, IA4,4873922%
      Marietta-Alderwood, WA4,4923432%
      Capitol Heights, MD4,489476%
      Source: The Capitol Heights, 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.