TODAY NOV09
TEMPERATURE57
HUMIDITY42
PRESSURE102200
WIND COND.330 18.4
  • 5840Sat
  • 5852Sun70%
  • 704730%
  • 6136Tue
  • 5744Wed
daynightWeather update from Washington/Reagan National Airport, DC at
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Weather Quick Facts

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

Compare Colesville, MD Weather

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      Colesville 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"

      Colesville 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.
      IndexColesvilleMarylandNational
      Air quality index474342
      Pollution index15,133,0005,342,3672,726,193

      Colesville 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 Colesville temperature with heat index

      Colesville monthly precipitation with daily maximum

      Colesville monthly snow depth with daily maximum

      Colesville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Catonsville, MD41,592468.0%
      Fort Meade, MD11,340468.0%
      North Laurel, MD24,856468.0%
      Elkridge, MD21,778468.0%
      Savage, MD6,849468.0%
      Colesville, MD14,397476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Glasgow, KY14,3944314.0%
      Robbinsdale, MN14,393468.0%
      South Stormont, ON14,401n/a 
      Livingston, CA14,392484.0%
      Mont-Laurier, QC14,402n/a 
      Colesville, MD14,397476.0%
      Source: The Colesville, 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.