TODAY NOV21
TEMPERATURE52
HUMIDITY58
PRESSURE101360
WIND COND.270 13
  • 5740Fri
  • 6245Sat
  • 6651Sun
  • 7058Mon
  • 7252Tue
daynightWeather update from Charleston Executive Airport at
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Weather Quick Facts

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

Compare Folly Beach, SC Weather

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      Folly Beach 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"

      Folly Beach 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.
      IndexFolly BeachSouth CarolinaNational
      Air quality index383742
      Pollution index783,5893,620,4382,726,193

      Folly Beach 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 Folly Beach temperature with heat index

      Folly Beach monthly precipitation with daily maximum

      Folly Beach monthly snow depth with daily maximum

      Folly Beach monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Charleston, SC137,0413824.0%
      Mount Pleasant, SC89,4103824.0%
      Sullivan's Island, SC2,1773824.0%
      Isle of Palms, SC4,3713824.0%
      North Charleston, SC113,8803824.0%
      Folly Beach, SC2,6643824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Spaniard's Bay, NL2,664n/a 
      Mountain View, MO2,6633922.0%
      Dyer, TN2,6632648.0%
      Juneau, WI2,6634020.0%
      Dawson Springs, KY2,6654020.0%
      Folly Beach, SC2,6643824.0%
      Source: The Folly Beach, 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.