TODAY DEC21
TEMPERATURE37
HUMIDITY42
PRESSURE
WIND COND.330 29.5
  • 3013Sun
  • 3525Mon
  • 4329Tue30%
  • 4330
  • 4432Thu
daynightWeather update from Camp Springs / Andrews Air Force Base at
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Weather Quick Facts

  • The highest monthly average temperature in Largo for August is 77.8 degrees
  • The lowest monthly average temperature in Largo for February is 33.4 degrees
  • The most monthly precipitation in Largo occurs in October with 14.5 inches
  • The air quality index in Largo is 12% worse than the national average
  • The pollution index in Largo is 69% better than the national average

Compare Largo, MD Weather

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      Largo 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
      January30°F46°F37°F5.0"
      February26°F43°F33°F2.2"
      March35°F55°F44°F8.6"
      April44°F65°F54°F8.0"
      May53°F74°F63°F10.0"
      June64°F84°F73°F5.0"
      July68°F88°F78°F5.4"
      August70°F88°F78°F7.3"
      September61°F82°F71°F2.3"
      October53°F71°F61°F14.5"
      November40°F59°F48°F3.8"
      December30°F45°F37°F4.8"

      Largo 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.
      IndexLargoMarylandNational
      Air quality index474342
      Pollution index849,1855,342,3672,726,193

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

      Average monthly Largo temperature with heat index

      Largo monthly precipitation with daily maximum

      Largo monthly snow depth with daily maximum

      Largo monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Chesapeake Beach, MD5,9964118.0%
      Arden on the Severn, MD1,457468.0%
      Crownsville, MD1,473468.0%
      Edgewater, MD8,850468.0%
      Gambrills, MD2,929468.0%
      Largo, MD11,633476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Wyandanch, NY11,632512.0%
      Four Corners, TX11,634524.0%
      Lethbridge County, AB11,635n/a 
      Mango, FL11,6384314.0%
      Beachwood, OH11,62750= 100
      Largo, MD11,633476.0%
      Source: The Largo, 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.