TODAY DEC22
TEMPERATURE39
HUMIDITY70
PRESSURE102510
WIND COND.360 11.2
  • 5132Sun
  • 5444Mon30%
  • 5947Tue40%20%
  • 594820%40%
  • 6050Thu30%30%
daynightWeather update from Charleston Executive Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Kiawah Island for July is 81.5 degrees
  • The lowest monthly average temperature in Kiawah Island for January is 49.6 degrees
  • The most monthly precipitation in Kiawah Island occurs in August with 8 inches
  • The air quality index in Kiawah Island is 10% better than the national average
  • The pollution index in Kiawah Island is 71% better than the national average

Compare Kiawah Island, SC Weather

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      Kiawah Island 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
      January38°F64°F50°F2.9"
      February39°F66°F51°F3.7"
      March45°F72°F58°F3.1"
      April53°F80°F66°F3.4"
      May62°F85°F73°F3.4"
      June70°F91°F79°F6.6"
      July73°F92°F82°F6.5"
      August73°F91°F81°F8.0"
      September68°F87°F76°F5.9"
      October56°F80°F67°F5.6"
      November45°F72°F57°F2.9"
      December42°F67°F53°F3.7"

      Kiawah Island 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.
      IndexKiawah IslandSouth CarolinaNational
      Air quality index383742
      Pollution index783,5893,620,4382,726,193

      Kiawah Island air quality

      MeasurementTotal
      Days measured355
      Days with good air quality299
      Days with moderate air quality55
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.003%
      Mercury0.000%

      Average monthly Kiawah Island temperature with heat index

      Kiawah Island monthly precipitation with daily maximum

      Kiawah Island monthly snow depth with daily maximum

      Kiawah Island monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Hollywood, SC5,2733824.0%
      Meggett, SC1,1243824.0%
      Sullivan's Island, SC2,1773824.0%
      Charleston, SC137,0413824.0%
      Ravenel, SC2,6503824.0%
      Kiawah Island, SC1,7723824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Jonesboro, IL1,7724412.0%
      Montour Falls, NY1,7723530.0%
      Lyndhurst, VA1,7724020.0%
      Lacon, IL1,7714118.0%
      Crothersville, IN1,7713530.0%
      Kiawah Island, SC1,7723824.0%
      Source: The Kiawah Island, SC 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.