TODAY NOV22
TEMPERATURE43
HUMIDITY65
PRESSURE100370
WIND COND.290 13
  • 4135Fri70%40%
  • 5239Sat
  • 5334Sun
  • 5845Mon
  • 5534Tue40%
daynightWeather update from Frederick Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Monrovia for July is 75.6 degrees
  • The lowest monthly average temperature in Monrovia for January is 31.4 degrees
  • The most monthly precipitation in Monrovia occurs in October with 9.4 inches
  • The air quality index in Monrovia is 5% better than the national average
  • The pollution index in Monrovia is 104% worse than the national average

Compare Monrovia, MD Weather

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      Monrovia 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"

      Monrovia 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.
      IndexMonroviaMarylandNational
      Air quality index404342
      Pollution index5,553,8705,342,3672,726,193

      Monrovia 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
      Arsenic0.004%
      Benzene0.070%
      Carbon Tetrachloride0.010%
      Lead0.410%
      Mercury0.070%

      Average monthly Monrovia temperature with heat index

      Monrovia monthly precipitation with daily maximum

      Monrovia monthly snow depth with daily maximum

      Monrovia monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Summerfield, MD14,4774020.0%
      Ballenger Creek, MD21,4844020.0%
      Frederick, MD71,8434020.0%
      New Market, MD1,5274020.0%
      Urbana, MD12,3624020.0%
      Monrovia, MD1,5564020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Baldwin, FL1,5564314.0%
      Brownsboro, TX1,5563628.0%
      Wheeler, TX1,5564412.0%
      Red Corral, CA1,5573922.0%
      Mio, MI1,5553628.0%
      Monrovia, MD1,5564020.0%
      Source: The Monrovia, 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.