TODAY MAR29
TEMPERATURE40
HUMIDITY48
PRESSURE101360
WIND COND.
  • 5836Fri
  • 6248Sat30%50%
  • 6547Sun40%
  • 6049Mon80%90%
  • 6645Tue90%60%
daynightWeather update from Hagerstown, Washington County Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Charlton for July is 77.1 degrees
  • The lowest monthly average temperature in Charlton for January is 32.3 degrees
  • The most monthly precipitation in Charlton occurs in June with 4 inches
  • The air quality index in Charlton is 5% better than the national average
  • The pollution index in Charlton is 495% worse than the national average

Compare Charlton, MD Weather

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      Charlton 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
      January25°F41°F32°F2.2"
      February25°F43°F34°F1.8"
      March34°F55°F44°F2.3"
      April44°F67°F55°F3.3"
      May54°F76°F64°F3.9"
      June63°F84°F73°F4.0"
      July67°F88°F77°F3.3"
      August65°F85°F75°F2.8"
      September58°F79°F68°F3.2"
      October48°F67°F57°F3.6"
      November37°F55°F45°F2.1"
      December30°F46°F37°F3.0"

      Charlton 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.
      IndexCharltonMarylandNational
      Air quality index404342
      Pollution index16,230,7005,342,3672,726,193

      Charlton air quality information

      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

      Charlton air quality information

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

      Average monthly Charlton temperature with heat index

      Charlton monthly precipitation with daily maximum

      Charlton monthly snow depth with daily maximum

      Charlton monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Mercersburg, PA1,6733628.0%
      Needmore, PA923628.0%
      Mount Briar, MD1174020.0%
      Big Pool, MD854020.0%
      Hancock, MD1,6914020.0%
      Charlton, MD3804020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Nances Creek, AL3804314.0%
      Midway town, AR3803628.0%
      Cane Beds, AZ3804412.0%
      El Moro, CO3802060.0%
      Good Hope, GA3804412.0%
      Charlton, MD3804020.0%
      Source: The Charlton, 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.