TODAY MAR28
TEMPERATURE63
HUMIDITY22
PRESSURE101760
WIND COND. 11.2
  • 7147Fri
  • 7653Sat
  • 7959Sun
  • 8062Mon
  • 7956Tue20%50%
daynightWeather update from Gwinnett County Airport-Briscoe Field at
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Weather Quick Facts

  • The highest monthly average temperature in Snellville for August is 80.3 degrees
  • The lowest monthly average temperature in Snellville for December is 44.8 degrees
  • The most monthly precipitation in Snellville occurs in July with 12.9 inches
  • The air quality index in Snellville is 24% worse than the national average
  • The pollution index in Snellville is 396% worse than the national average

Compare Snellville, GA Weather

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      Snellville 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"

      Snellville 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.
      IndexSnellvilleGeorgiaNational
      Air quality index524142
      Pollution index13,513,5001,874,9722,726,193

      Snellville 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

      Snellville air quality information

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

      Average monthly Snellville temperature with heat index

      Snellville monthly precipitation with daily maximum

      Snellville monthly snow depth with daily maximum

      Snellville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Dacula, GA6,1753726.0%
      Suwanee, GA20,4443726.0%
      Auburn, GA7,5193726.0%
      Carl, GA2813726.0%
      Lawrenceville, GA30,1253726.0%
      Snellville, GA19,923524.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Fort Mill, SC19,920492.0%
      Havelock, NC19,9273726.0%
      Ennis, TX19,9174118.0%
      Parma Heights, OH19,91650= 100
      North Ogden, UT19,9304510.0%
      Snellville, GA19,923524.0%
      Source: The Snellville, 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.