St. Marys, GA Weather - Forecast & Monthly Averages

TEMPERATURE	50
HUMIDITY
PRESSURE	102680
WIND COND.	350 13

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Weather Quick Facts

The highest monthly average temperature in St. Marys for August is 80.7 degrees
The lowest monthly average temperature in St. Marys for January is 53.3 degrees
The most monthly precipitation in St. Marys occurs in June with 7.6 inches
The air quality index in St. Marys is 14% better than the national average
The pollution index in St. Marys is 140% worse than the national average

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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.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	41°F	68°F	53°F	3.3"
February	42°F	71°F	55°F	3.2"
March	47°F	76°F	61°F	2.4"
April	54°F	82°F	68°F	3.2"
May	61°F	87°F	74°F	4.3"
June	69°F	91°F	79°F	7.6"
July	72°F	92°F	81°F	5.8"
August	73°F	92°F	81°F	7.1"
September	69°F	88°F	77°F	7.1"
October	59°F	82°F	70°F	4.0"
November	48°F	75°F	61°F	1.6"
December	45°F	72°F	57°F	3.0"

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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.
Index	St. Marys	Georgia	National
Air quality index	36	41	42
Pollution index	6,554,710	1,874,972	2,726,193

St. Marys air quality

Measurement	Total
Days measured	279
Days with good air quality	254
Days with moderate air quality	25
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.020%
Benzene	0.040%
Carbon Tetrachloride	0.002%
Lead	0.070%
Mercury	0.010%

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	Population	Air Quality Index	National Avg.
Kingsland, GA	17,523	36	28.0%
Woodbine, GA	1,322	36	28.0%
Kings Bay Base, GA	3,115	36	28.0%
Fernandina Beach, FL	12,622	43	14.0%
Yulee, FL	13,346	43	14.0%
St. Marys, GA	18,321	36	28.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Harrison, NJ	18,313	51	2.0%
Eloy, AZ	18,306	47	6.0%
White Oak, OH	18,351	54	8.0%
Menasha, WI	18,280	37	26.0%
Schofield Barracks, HI	18,276	30	40.0%
St. Marys, GA	18,321	36	28.0%

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.