Greenlawn, NY Weather - Forecast & Monthly Averages

TEMPERATURE	42
HUMIDITY	55
PRESSURE	102440
WIND COND.	40 14.8

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Weather Quick Facts

The highest monthly average temperature in Greenlawn for July is 75.7 degrees
The lowest monthly average temperature in Greenlawn for January is 33 degrees
The most monthly precipitation in Greenlawn occurs in December with 4.5 inches
The air quality index in Greenlawn is 2% worse than the national average
The pollution index in Greenlawn is 1338% worse than the national average

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Greenlawn 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	25°F	41°F	33°F	2.7"
February	25°F	42°F	33°F	2.3"
March	32°F	50°F	40°F	3.3"
April	42°F	60°F	51°F	3.7"
May	52°F	70°F	60°F	3.4"
June	61°F	78°F	69°F	4.3"
July	68°F	84°F	76°F	3.2"
August	66°F	83°F	74°F	3.4"
September	60°F	76°F	68°F	3.2"
October	50°F	66°F	57°F	3.5"
November	39°F	55°F	47°F	2.5"
December	32°F	46°F	39°F	4.5"

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Greenlawn 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	Greenlawn	New York	National
Air quality index	43	43	42
Pollution index	39,208,800	6,179,275	2,726,193

Greenlawn air quality information

Measurement	Total
Days measured	365
Days with good air quality	262
Days with moderate air quality	82
Days w/ poor A.Q. for sensitive groups	18
Days with unhealthy air quality	3

Greenlawn air quality information

Pollutant	Total
Arsenic	0.060%
Benzene	0.320%
Carbon Tetrachloride	0.020%
Lead	0.320%
Mercury	0.130%

Average monthly Greenlawn temperature with heat index

Greenlawn monthly precipitation with daily maximum

Greenlawn monthly snow depth with daily maximum

Greenlawn monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Greenwich, CT	12,967	43	14.0%
Bohemia, NY	9,329	43	14.0%
Ronkonkoma, NY	18,953	43	14.0%
Commack, NY	36,903	43	14.0%
Fort Salonga, NY	9,930	43	14.0%
Greenlawn, NY	14,598	43	14.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Ferndale, WA	14,591	34	32.0%
Yankton, SD	14,619	36	28.0%
Homosassa Springs, FL	14,566	30	40.0%
Thibodaux, LA	14,565	41	18.0%
Roanoke Rapids, NC	14,562	36	28.0%
Greenlawn, NY	14,598	43	14.0%

Source: The Greenlawn, NY 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.