TODAY NOV22
TEMPERATURE43
HUMIDITY65
PRESSURE100370
WIND COND.290 13
  • 4236Fri70%40%
  • 5241Sat
  • 5436Sun
  • 5845Mon30%
  • 5536Tue40%
daynightWeather update from Frederick Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Brownsville for July is 75.8 degrees
  • The lowest monthly average temperature in Brownsville for January is 32.7 degrees
  • The most monthly precipitation in Brownsville occurs in May with 4.5 inches
  • The air quality index in Brownsville is 5% better than the national average
  • The pollution index in Brownsville is 495% worse than the national average

Compare Brownsville, MD Weather

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      Brownsville 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°F43°F33°F2.3"
      February25°F45°F34°F1.7"
      March33°F56°F43°F2.9"
      April42°F68°F55°F3.7"
      May51°F76°F63°F4.5"
      June60°F84°F72°F3.9"
      July64°F88°F76°F3.3"
      August62°F86°F74°F3.1"
      September56°F80°F67°F3.3"
      October45°F68°F56°F4.2"
      November35°F57°F45°F2.4"
      December28°F47°F37°F3.2"

      Brownsville 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.
      IndexBrownsvilleMarylandNational
      Air quality index404342
      Pollution index16,230,7005,342,3672,726,193

      Brownsville air quality

      MeasurementTotal
      Days measured362
      Days with good air quality306
      Days with moderate air quality54
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.130%
      Carbon Tetrachloride0.090%
      Lead0.080%
      Mercury0.020%

      Average monthly Brownsville temperature with heat index

      Brownsville monthly precipitation with daily maximum

      Brownsville monthly snow depth with daily maximum

      Brownsville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Charles Town, WV5,9853824.0%
      Ranson, WV5,2173824.0%
      Shannondale, WV3,3643824.0%
      Hillsboro, VA1973824.0%
      Braddock Heights, MD3,0934020.0%
      Brownsville, MD264020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Ko Vaya, AZ26476.0%
      Alderpoint, CA262746.0%
      Macdoel, CA262942.0%
      Towner, CO261570.0%
      Boykin, GA263530.0%
      Brownsville, MD264020.0%
      Source: The Brownsville, 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.