TODAY MAR19
TEMPERATURE33
HUMIDITY53
PRESSURE102200
WIND COND.260 16.6
  • 5637Tue
  • 5727Wed
  • 4834Thu
  • 5637Fri30%30%
  • 5230Sat
daynightWeather update from Louisville, Bowman Field Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Charlestown for July is 78.5 degrees
  • The lowest monthly average temperature in Charlestown for January is 35.3 degrees
  • The most monthly precipitation in Charlestown occurs in April with 6.3 inches
  • The air quality index in Charlestown is 16% worse than the national average
  • The pollution index in Charlestown is 72% better than the national average

Compare Charlestown, IN Weather

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      Charlestown 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
      January27°F45°F35°F3.7"
      February29°F47°F37°F2.9"
      March39°F60°F48°F4.5"
      April48°F71°F59°F6.3"
      May57°F79°F68°F5.7"
      June66°F87°F77°F5.3"
      July69°F89°F79°F5.6"
      August68°F89°F78°F3.7"
      September61°F83°F71°F4.6"
      October48°F71°F59°F4.4"
      November38°F59°F48°F3.5"
      December31°F48°F39°F4.8"

      Charlestown 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.
      IndexCharlestownIndianaNational
      Air quality index495642
      Pollution index751,9002,719,4532,726,193

      Charlestown air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality195
      Days with moderate air quality166
      Days w/ poor A.Q. for sensitive groups4
      Days with unhealthy air quality0

      Charlestown air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.002%
      Lead0.000%
      Mercury0.000%

      Average monthly Charlestown temperature with heat index

      Charlestown monthly precipitation with daily maximum

      Charlestown monthly snow depth with daily maximum

      Charlestown monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Rolling Hills, KY1,009492.0%
      Beechwood Village, KY1,510492.0%
      Borden, IN1,448492.0%
      New Washington, IN571492.0%
      Bellewood, KY218492.0%
      Charlestown, IN8,290492.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Fletcher, NC8,2874412.0%
      Lake Carmel, NY8,2873628.0%
      York, SC8,2873628.0%
      Bradford, PA8,284982.0%
      Mystic Island, NJ8,2963726.0%
      Charlestown, IN8,290492.0%
      Source: The Charlestown, IN 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.