Valley Stream, NY Weather - Forecast & Monthly Averages

TEMPERATURE	40
HUMIDITY	86
PRESSURE	99390
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Valley Stream for July is 76.8 degrees
The lowest monthly average temperature in Valley Stream for January is 33.8 degrees
The most monthly precipitation in Valley Stream occurs in December with 4.9 inches
The air quality index in Valley Stream is 21% worse than the national average
The pollution index in Valley Stream is 663% worse than the national average

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Valley Stream 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	43°F	34°F	3.4"
February	26°F	44°F	34°F	2.8"
March	33°F	52°F	41°F	3.7"
April	43°F	63°F	52°F	3.7"
May	52°F	71°F	61°F	4.2"
June	62°F	81°F	71°F	4.7"
July	69°F	86°F	77°F	4.2"
August	68°F	85°F	76°F	4.8"
September	61°F	79°F	69°F	3.4"
October	51°F	68°F	59°F	4.8"
November	39°F	57°F	48°F	3.0"
December	32°F	48°F	40°F	4.9"

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Valley Stream 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	Valley Stream	New York	National
Air quality index	51	43	42
Pollution index	20,796,900	6,179,275	2,726,193

Valley Stream air quality

Measurement	Total
Days measured	365
Days with good air quality	169
Days with moderate air quality	180
Days w/ poor A.Q. for sensitive groups	16
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.060%
Benzene	0.130%
Carbon Tetrachloride	0.130%
Lead	0.070%
Mercury	0.060%

Average monthly Valley Stream temperature with heat index

Valley Stream monthly precipitation with daily maximum

Valley Stream monthly snow depth with daily maximum

Valley Stream monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Cold Spring Harbor, NY	2,864	43	14.0%
Laurel Hollow, NY	1,967	43	14.0%
West Hills, NY	5,225	43	14.0%
Hempstead, NY	55,153	51	2.0%
Old Westbury, NY	4,618	51	2.0%
Valley Stream, NY	37,489	51	2.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Spartanburg, SC	37,448	44	12.0%
Park Ridge, IL	37,431	55	10.0%
La Presa, CA	37,410	64	28.0%
Navarre, FL	37,390	31	38.0%
Menomonee Falls, WI	37,611	44	12.0%
Valley Stream, NY	37,489	51	2.0%

Source: The Valley Stream, 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.