TODAY MAY31
TEMPERATURE76
HUMIDITY
PRESSURE30
WIND COND.220 9.2
  • 8970Sun20%
  • 8267Mon
  • 8365Tue
  • 8869Wed
  • 9171Thu20%30%
daynightWeather update from Fernandina Beach Municipal Airport at
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St. Marys 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
January41°F68°F53°F3.3"
February42°F71°F55°F3.2"
March47°F76°F61°F2.4"
April54°F82°F68°F3.2"
May61°F87°F74°F4.3"
June69°F91°F79°F7.6"
July72°F92°F81°F5.8"
August73°F92°F81°F7.1"
September69°F88°F77°F7.1"
October59°F82°F70°F4.0"
November48°F75°F61°F1.6"
December45°F72°F57°F3.0"

Did you know?

  • The highest monthly average temperature in St. Marys for August is 81 degrees.
  • The lowest monthly average temperature in St. Marys for January is 53 degrees.
  • The most monthly precipitation in St. Marys occurs in June with 7.6 inches.
  • The air quality index in St. Marys is 38% better than the national average.
  • The pollution index in St. Marys is 29% worse than the national average.

Compare St. Marys, GA Weather To Other Cities

      vs

      St. Marys 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. MarysGeorgiaNational
      Air quality index314150
      Pollution index6,554,7103,237,5535,066,862

      St. Marys 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. Marys air quality information

      PollutantTotal
      Arsenic0.020%
      Benzene0.040%
      Carbon Tetrachloride0.002%
      Lead0.070%
      Mercury0.010%

      Average monthly St. Marys temperature with heat index

      St. Marys monthly precipitation with daily maximum

      St. Marys monthly snow depth with daily maximum

      St. Marys monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Kings Bay Base, GA1,9483138%
      Kingsland, GA16,4113138%
      Woodbine, GA1,6813138%
      Fernandina Beach, FL12,1563824%
      Yulee, FL12,2173824%
      St. Marys, GA17,8533138%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Arroyo Grande, CA17,8425612%
      Sheridan, WY17,8663628%
      Newburyport, MA17,8373628%
      Gretna, LA17,8324510%
      Rancho Mirage, CA17,8768570%
      St. Marys, GA17,8533138%
      Source: The St. Marys, 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.