TODAY MAY16
TEMPERATURE68
HUMIDITY43
PRESSURE30.29
WIND COND.230 18.4
  • 8060Mon
  • 8161Tue
  • 8361Wed
  • 8360Thu
  • 8462Fri
daynightWeather update from Atlanta, De Kalb-Peachtree Airport at

Key findings

  • The highest monthly average temperature in Stone Mountain for August is 80.3 degrees
  • The lowest monthly average temperature in Stone Mountain for December is 44.8 degrees
  • The most monthly precipitation in Stone Mountain occurs in July with 12.9 inches
  • The air quality index in Stone Mountain is 5% worse than the national average
  • The pollution index in Stone Mountain is 167% worse than the national average

Compare Stone Mountain, GA Weather

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      Stone Mountain 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
      January36°F57°F45°F4.9"
      February35°F58°F46°F8.7"
      March43°F68°F55°F9.3"
      April47°F72°F59°F8.7"
      May56°F81°F68°F6.6"
      June66°F88°F76°F6.3"
      July69°F88°F77°F12.9"
      August71°F93°F80°F9.3"
      September65°F87°F75°F4.1"
      October54°F76°F64°F6.4"
      November41°F66°F52°F4.0"
      December36°F56°F45°F8.1"

      Stone Mountain 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.
      IndexStone MountainGeorgiaNational
      Air quality index524150
      Pollution index13,513,5003,237,5535,066,862

      Stone Mountain air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality162
      Days with moderate air quality184
      Days w/ poor A.Q. for sensitive groups18
      Days with unhealthy air quality1

      Stone Mountain air quality information

      PollutantTotal
      Arsenic0.170%
      Benzene0.180%
      Carbon Tetrachloride0.040%
      Lead0.080%
      Mercury0.005%

      Average monthly Stone Mountain temperature with heat index

      Stone Mountain monthly precipitation with daily maximum

      Stone Mountain monthly snow depth with daily maximum

      Stone Mountain monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Lawrenceville, GA30,1273726%
      Norcross, GA16,293524%
      Clarkston, GA12,594524%
      Mountain Park, GA13,580524%
      Lakeview Estates, GA2,751524%
      Stone Mountain, GA6,102524%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Braidwood, IL6,1020100%
      Somerset, PA6,1023628%
      Brunswick, MD6,1014020%
      Cheshire Village, CT6,1034118%
      Manistee, MI6,1003628%
      Stone Mountain, GA6,102524%
      Source: The Stone Mountain, 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.