TODAY MAR02
TEMPERATURE50
HUMIDITY74
PRESSURE30.13
WIND COND. 7.6
  • 5038Tue40%90%
  • 6038Wed70%
  • 6537Thu
  • 5940Fri30%
  • 5635Sat30%30%
daynightWeather update from Lawrenceville, Gwinnett County-Briscoe Field Airport at

Key findings

  • The highest monthly average temperature in Porterdale for August is 80 degrees
  • The lowest monthly average temperature in Porterdale for December is 45 degrees
  • The most monthly precipitation in Porterdale occurs in July with 12.9 inches
  • The air quality index in Porterdale is 5% worse than the national average
  • The pollution index in Porterdale is 64% better than the national average

Compare Porterdale, GA Weather

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      Porterdale 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"

      Porterdale 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.
      IndexPorterdaleGeorgiaNational
      Air quality index524150
      Pollution index1,832,6203,237,5535,066,862

      Porterdale 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

      Porterdale air quality information

      PollutantTotal
      Arsenic0.030%
      Benzene0.020%
      Carbon Tetrachloride0.004%
      Lead0.020%
      Mercury0.001%

      Average monthly Porterdale temperature with heat index

      Porterdale monthly precipitation with daily maximum

      Porterdale monthly snow depth with daily maximum

      Porterdale monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Mansfield, GA4164412%
      Newborn, GA7524412%
      Jersey, GA1434412%
      Social Circle, GA4,3504412%
      Walnut Grove, GA1,1814412%
      Porterdale, GA1,633524%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Peridot, AZ1,6334412%
      Dayton, VA1,6333628%
      Anna, OH1,6333922%
      Benjamin, UT1,633468%
      Davenport, WA1,6344314%
      Porterdale, GA1,633524%
      Source: The Porterdale, 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.