San Marco, Jacksonville, FL Weather - Forecast & Monthly Averages

TEMPERATURE	71
HUMIDITY	79
PRESSURE	102030
WIND COND.	210 9.4

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Weather Quick Facts

The highest monthly average temperature in San Marco for August is 83.7 degrees
The lowest monthly average temperature in San Marco for January is 56.4 degrees
The most monthly precipitation in San Marco occurs in June with 8.1 inches
The air quality index in San Marco is 2% worse than the national average
The pollution index in San Marco is 140% worse than the national average

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San Marco 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	47°F	67°F	56°F	3.1"
February	49°F	70°F	59°F	2.9"
March	55°F	76°F	65°F	2.8"
April	63°F	82°F	72°F	2.6"
May	69°F	87°F	77°F	4.8"
June	75°F	92°F	82°F	8.1"
July	77°F	93°F	84°F	6.4"
August	77°F	93°F	84°F	6.7"
September	75°F	89°F	81°F	4.7"
October	66°F	83°F	74°F	3.4"
November	56°F	75°F	65°F	1.8"
December	52°F	71°F	60°F	2.9"

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San Marco 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	San Marco	Jacksonville	Florida
Air quality index	43	43	35
Pollution index	6,554,710	6,554,710	7,570,785

San Marco air quality information

Measurement	Total
Days measured	365
Days with good air quality	245
Days with moderate air quality	119
Days w/ poor A.Q. for sensitive groups	1
Days with unhealthy air quality	0

San Marco air quality information

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

Average monthly San Marco temperature with heat index

San Marco monthly precipitation with daily maximum

San Marco monthly snow depth with daily maximum

San Marco monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Fleming Island, FL	30,582	43	14.0%
Nassau Village-Ratliff, FL	4,789	43	14.0%
Fruit Cove, FL	33,038	43	14.0%
Oakleaf Plantation, FL	28,153	43	14.0%
Lakeside, FL	31,058	43	14.0%
Jacksonville, FL	902,488	43	14.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Fort Worth, TX	892,221	51	2.0%
Columbus, OH	889,079	46	8.0%
San Francisco, CA	874,784	40	20.0%
Charlotte, NC	873,570	49	2.0%
Indianapolis, IN	869,387	54	8.0%
Jacksonville, FL	902,488	43	14.0%

Source: The San Marco, Jacksonville, FL 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.