TODAY APR21
TEMPERATURE66
HUMIDITY38
PRESSURE29.85
WIND COND.160 13
  • 6334Wed60%
  • 5236Thu
  • 6342Fri
  • 6650Sat70%
  • 6342Sun70%
daynightWeather update from Gaithersburg - Montgomery County Airport at

Key findings

  • The highest monthly average temperature in Germantown for July is 75.6 degrees
  • The lowest monthly average temperature in Germantown for January is 31.4 degrees
  • The most monthly precipitation in Germantown occurs in October with 9.4 inches
  • The air quality index in Germantown is 5% better than the national average
  • The pollution index in Germantown is 190% worse than the national average

Compare Germantown, MD Weather

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      Germantown 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
      January24°F41°F31°F4.1"
      February26°F44°F34°F5.6"
      March34°F55°F43°F6.4"
      April44°F68°F55°F6.1"
      May55°F76°F64°F9.2"
      June63°F84°F72°F6.0"
      July66°F87°F76°F5.5"
      August64°F85°F73°F7.7"
      September58°F79°F67°F7.6"
      October46°F67°F55°F9.4"
      November36°F55°F44°F5.4"
      December30°F46°F37°F6.8"

      Germantown 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.
      IndexGermantownMarylandNational
      Air quality index474350
      Pollution index14,693,9006,283,4705,066,862

      Germantown 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

      Germantown air quality information

      PollutantTotal
      Arsenic0.190%
      Benzene0.210%
      Carbon Tetrachloride0.060%
      Lead0.060%
      Mercury0.010%

      Average monthly Germantown temperature with heat index

      Germantown monthly precipitation with daily maximum

      Germantown monthly snow depth with daily maximum

      Germantown monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Ballenger Creek, MD19,0774020%
      Monrovia, MD2264020%
      Urbana, MD10,8724020%
      Buckeystown, MD1,0754020%
      New Market, MD1,1334020%
      Germantown, MD90,494476%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Longmont, CO90,719476%
      Plantation, FL90,8784118%
      Santa Barbara, CA90,9224412%
      Sunrise, FL91,1774118%
      Greenville, NC89,7453824%
      Germantown, MD90,494476%
      Source: The Germantown, 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.