TODAY AUG15
TEMPERATURE81
HUMIDITY
PRESSURE30.07
WIND COND.230 10.3
  • 8975Wed30%40%
  • 8975Thu30%40%
  • 8976Fri30%30%
  • 9076Sat40%40%
  • 9076Sun30%30%
daynightWeather update from Brunswick, Malcolm McKinnon Airport at

St. Simons 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
January44°F63°F53°F2.9"
February45°F65°F54°F3.1"
March52°F71°F60°F2.5"
April59°F77°F68°F3.3"
May67°F83°F74°F3.0"
June73°F88°F80°F5.3"
July76°F90°F82°F4.3"
August76°F90°F82°F6.4"
September72°F86°F79°F5.8"
October63°F79°F70°F3.4"
November52°F71°F61°F1.4"
December48°F67°F56°F2.6"

Did you know?

  • The highest monthly average temperature in St. Simons for July is 82 degrees.
  • The lowest monthly average temperature in St. Simons for January is 53 degrees.
  • The most monthly precipitation in St. Simons occurs in August with 6.4 inches.
  • The air quality index in St. Simons is 37% better than the national average.
  • The pollution index in St. Simons is 92% better than the national average.

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Compare St. Simons, GA Weather To Other Cities

St. Simons 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.
IndexSt. SimonsGeorgiaNational
Air quality index314150
Pollution index380,7283,237,5535,066,862

St. Simons air quality information

MeasurementTotal
Days measured312
Days with good air quality286
Days with moderate air quality26
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

St. Simons air quality information

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

Average monthly St. Simons temperature with heat index

St. Simons monthly precipitation with daily maximum

St. Simons monthly snow depth with daily maximum

St. Simons monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Brunswick, GA15,9973138%
Country Club Estates, GA8,3013138%
Darien, GA2,8253138%
Dock Junction, GA6,8223138%
St. Simons, GA13,4803138%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Orangeburg, SC13,4784216%
Waimalu, HI13,4783040%
Grover Beach, CA13,4845612%
Pell City, AL13,4893824%
Brecksville, OH13,4705510%
St. Simons, GA13,4803138%
Source: The St. Simons, GA 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.