TODAY DEC22
TEMPERATURE29
HUMIDITY41
PRESSURE102780
WIND COND.340 16.6
  • 2914Sun
  • 3426Mon
  • 4428Tue20%
  • 4128
  • 4232Thu
daynightWeather update from Washington/Dulles International Airport, DC at
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Weather Quick Facts

  • The highest monthly average temperature in Washington Grove for July is 75.6 degrees
  • The lowest monthly average temperature in Washington Grove for January is 31.4 degrees
  • The most monthly precipitation in Washington Grove occurs in October with 9.4 inches
  • The air quality index in Washington Grove is 12% worse than the national average
  • The pollution index in Washington Grove is 455% worse than the national average

Compare Washington Grove, MD Weather

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      Washington Grove 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"

      Washington Grove 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.
      IndexWashington GroveMarylandNational
      Air quality index474342
      Pollution index15,133,0005,342,3672,726,193

      Washington Grove 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 Washington Grove temperature with heat index

      Washington Grove monthly precipitation with daily maximum

      Washington Grove monthly snow depth with daily maximum

      Washington Grove monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Urbana, MD12,3624020.0%
      Buckeystown, MD1,2894020.0%
      South Kensington, MD8,494476.0%
      Countryside, VA9,517476.0%
      Oak Grove, VA2,863476.0%
      Washington Grove, MD710476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Kirby, AR7103236.0%
      Ty Ty, GA7104020.0%
      Stewardson, IL7104020.0%
      Bardwell, KY7104412.0%
      Robin Glen-Indiantown, MI7102648.0%
      Washington Grove, MD710476.0%
      Source: The Washington Grove, 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.