Key Largo, FL Weather - Forecast & Monthly Averages

TEMPERATURE	79
HUMIDITY	53
PRESSURE	101050
WIND COND.	340 20.5

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Weather Quick Facts

The highest monthly average temperature in Key Largo for August is 83 degrees
The lowest monthly average temperature in Key Largo for February is 66.9 degrees
The most monthly precipitation in Key Largo occurs in August with 17.1 inches
The air quality index in Key Largo is 3% better than the national average
The pollution index in Key Largo is 1488% worse than the national average

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Key Largo 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	62°F	76°F	69°F	1.2"
February	60°F	76°F	67°F	3.2"
March	64°F	78°F	71°F	5.1"
April	65°F	81°F	73°F	9.2"
May	71°F	84°F	77°F	11.5"
June	74°F	87°F	80°F	16.0"
July	77°F	89°F	82°F	11.4"
August	78°F	89°F	83°F	17.1"
September	76°F	88°F	81°F	11.8"
October	75°F	85°F	79°F	8.5"
November	67°F	81°F	73°F	2.7"
December	63°F	78°F	70°F	1.4"

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Key Largo 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	Key Largo	Florida	National
Air quality index	41	35	42
Pollution index	43,296,200	7,570,785	2,726,193

Key Largo air quality

Measurement	Total
Days measured	363
Days with good air quality	284
Days with moderate air quality	77
Days w/ poor A.Q. for sensitive groups	2
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.060%
Benzene	0.510%
Carbon Tetrachloride	0.150%
Lead	0.330%
Mercury	0.090%

Average monthly Key Largo temperature with heat index

Key Largo monthly precipitation with daily maximum

Key Largo monthly snow depth with daily maximum

Key Largo monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Tavernier, FL	1,980	41	18.0%
North Key Largo, FL	884	41	18.0%
Islamorada, Village of Islands, FL	6,384	41	18.0%
Key Largo, FL	9,670	41	18.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Hope, AR	9,668	39	22.0%
Hamburg, NY	9,672	39	22.0%
Loudoun Valley Estates, VA	9,673	47	6.0%
Wapakoneta, OH	9,662	39	22.0%
Farnham, QC	9,662	n/a
Key Largo, FL	9,670	41	18.0%

Source: The Key Largo, 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.