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Key findings

  • 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 24% 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 index383750
      Pollution index783,5893,620,4382,726,193

      Kiawah Island air quality information

      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

      Kiawah Island air quality information

      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.
      Edisto Beach, SC6473824.0%
      James Island, SC11,8443824.0%
      Seabrook Island, SC1,7263824.0%
      Hollywood, SC4,9713824.0%
      Meggett, SC1,5123824.0%
      Kiawah Island, SC1,5433824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Edmonston, MD1,543476.0%
      Cut and Shoot, TX1,543524.0%
      Woodacre, CA1,5424020.0%
      Nicholson, GA1,5424412.0%
      Union Point, GA1,5424412.0%
      Kiawah Island, SC1,5433824.0%
      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.