Shirley, NY Weather - Forecast & Monthly Averages

TEMPERATURE	21
HUMIDITY	57
PRESSURE	102370
WIND COND.	340 14.8

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Weather Quick Facts

The highest monthly average temperature in Shirley for August is 73.6 degrees
The lowest monthly average temperature in Shirley for February is 29.6 degrees
The most monthly precipitation in Shirley occurs in October with 9.6 inches
The air quality index in Shirley is 2% worse than the national average
The pollution index in Shirley is 1338% worse than the national average

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Shirley 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	26°F	41°F	33°F	5.8"
February	22°F	39°F	30°F	4.5"
March	28°F	47°F	37°F	6.7"
April	38°F	58°F	47°F	9.1"
May	47°F	68°F	57°F	5.1"
June	60°F	78°F	68°F	1.8"
July	65°F	82°F	73°F	6.2"
August	65°F	83°F	74°F	3.2"
September	57°F	79°F	68°F	3.0"
October	50°F	67°F	58°F	9.6"
November	36°F	55°F	46°F	5.3"
December	28°F	43°F	35°F	6.2"

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

Shirley air quality

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

Air quality details

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

Average monthly Shirley temperature with heat index

Shirley monthly precipitation with daily maximum

Shirley monthly snow depth with daily maximum

Shirley monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Aquebogue, NY	1,996	41	18.0%
Eastport, NY	1,902	41	18.0%
Northville, NY	1,607	41	18.0%
Riverhead, NY	13,879	41	18.0%
Westhampton Beach, NY	1,869	41	18.0%
Shirley, NY	28,640	43	14.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
East Haven, CT	28,645	41	18.0%
Agawam Town, MA	28,627	40	20.0%
Lake in the Hills, IL	28,617	42	16.0%
Vero Beach South, FL	28,676	36	28.0%
Burton, MI	28,598	38	24.0%
Shirley, NY	28,640	43	14.0%

Source: The Shirley, 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.