TODAY AUG21
TEMPERATURE83
HUMIDITY57
PRESSURE30.09
WIND COND.310 11.4
  • 9371Sat20%30%
  • 8970Sun40%40%
  • 8870Mon40%40%
  • 9071Tue20%20%
  • 8970Wed40%50%
daynightWeather update from Fort Smith, Fort Smith Regional Airport at

Charleston Average Weather

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
January29°F55°F41°F3.1"
February32°F59°F44°F2.4"
March41°F69°F54°F4.4"
April50°F78°F63°F5.5"
May58°F83°F70°F7.2"
June69°F92°F80°F4.0"
July72°F96°F83°F4.0"
August71°F95°F82°F4.2"
September63°F89°F75°F4.8"
October51°F79°F63°F5.2"
November40°F68°F53°F3.3"
December31°F56°F42°F3.5"

Did you know?

  • The highest monthly average temperature in Charleston for July is 83 degrees.
  • The lowest monthly average temperature in Charleston for January is 41 degrees.
  • The most monthly precipitation in Charleston occurs in May with 7.2 inches.
  • The air quality index in Charleston is 29% better than the national average.
  • The pollution index in Charleston is 90% better than the national average.

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Compare Charleston, AR Weather To Other Cities

Charleston 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.
IndexCharlestonArkansasNational
Air quality index353850
Pollution index506,3081,270,1085,066,862

Charleston air quality information

MeasurementTotal
Days measured365
Days with good air quality317
Days with moderate air quality48
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Charleston air quality information

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

Average monthly Charleston temperature with heat index

Charleston monthly precipitation with daily maximum

Charleston monthly snow depth with daily maximum

Charleston monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Branch, AR3633530%
Greenwood, AR9,2963530%
Magazine, AR9883530%
Alma, AR5,5993530%
Caulksville, AR2263530%
Charleston, AR2,7993530%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Caledonia, MN2,7994020%
Wimberley, TX2,7994118%
Raceland, KY2,7993824%
Bullard, TX2,7983530%
Indialantic, FL2,7983530%
Charleston, AR2,7993530%
Source: The Charleston, AR 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.