TODAY NOV22
TEMPERATURE40
HUMIDITY57
PRESSURE101190
WIND COND.290 13
  • 5736Sat
  • 6543Sun
  • 7155Mon
  • 6644Tue30%
  • 6451Wed20%20%
daynightWeather update from Fulton County Airport-Brown Field at
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Weather Quick Facts

  • The highest monthly average temperature in Rockdale for August is 81.6 degrees
  • The lowest monthly average temperature in Rockdale for December is 45.1 degrees
  • The most monthly precipitation in Rockdale occurs in July with 12.8 inches
  • The air quality index in Rockdale is 24% worse than the national average
  • The pollution index in Rockdale is 633% worse than the national average

Compare Atlanta, GA Weather

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      Rockdale 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°F59°F46°F6.4"
      February35°F59°F46°F5.5"
      March43°F70°F55°F8.9"
      April47°F73°F60°F5.5"
      May55°F82°F69°F7.3"
      June66°F89°F77°F6.1"
      July70°F89°F78°F12.8"
      August72°F94°F82°F6.1"
      September65°F88°F76°F1.4"
      October54°F77°F64°F3.9"
      November40°F67°F53°F5.3"
      December35°F57°F45°F4.9"

      Rockdale 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.
      IndexRockdaleAtlantaGeorgia
      Air quality index525241
      Pollution index19,982,20019,982,2001,874,972

      Rockdale air quality

      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

      Air quality details

      PollutantTotal
      Arsenic0.210%
      Benzene0.260%
      Carbon Tetrachloride0.050%
      Lead0.100%
      Mercury0.010%

      Average monthly Rockdale temperature with heat index

      Rockdale monthly precipitation with daily maximum

      Rockdale monthly snow depth with daily maximum

      Rockdale monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Lithia Springs, GA17,545524.0%
      Avondale Estates, GA3,142524.0%
      Decatur, GA24,814524.0%
      Fair Oaks, GA9,447524.0%
      Mableton, GA41,647524.0%
      Atlanta, GA497,642524.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Sacramento, CA503,482524.0%
      Kansas City, MO491,158476.0%
      Mesa, AZ508,9187448.0%
      Omaha, NE479,5294020.0%
      Colorado Springs, CO471,6864510.0%
      Atlanta, GA497,642524.0%
      Source: The Rockdale, Atlanta, 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.