Roslyn, NY Weather - Forecast & Monthly Averages

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TEMPERATURE	52
HUMIDITY	32
PRESSURE	101151.43
WIND COND.

Weather Quick Facts

The highest monthly average temperature in Roslyn for July is 78.8 degrees
The lowest monthly average temperature in Roslyn for January is 34.5 degrees
The most monthly precipitation in Roslyn occurs in October with 5.1 inches
The air quality index in Roslyn is 21% worse than the national average
The pollution index in Roslyn is 720% worse than the national average

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Roslyn 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	27°F	43°F	34°F	3.5"
February	27°F	44°F	35°F	2.9"
March	34°F	53°F	42°F	3.8"
April	45°F	65°F	53°F	4.4"
May	54°F	74°F	63°F	4.2"
June	64°F	83°F	73°F	4.9"
July	71°F	89°F	79°F	4.3"
August	70°F	86°F	77°F	5.0"
September	64°F	80°F	71°F	3.3"
October	53°F	69°F	60°F	5.1"
November	42°F	58°F	49°F	3.2"
December	34°F	48°F	40°F	4.9"

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Roslyn 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	Roslyn	New York	National
Air quality index	51	43	42
Pollution index	22,367,000	6,179,275	2,726,193

Roslyn 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	0.040%
Benzene	0.180%
Carbon Tetrachloride	0.070%
Lead	0.050%
Mercury	0.050%

Average monthly Roslyn temperature with heat index

Roslyn monthly precipitation with daily maximum

Roslyn monthly snow depth with daily maximum

Roslyn monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Eatons Neck, NY	1,343	43	14.0%
Huntington Station, NY	34,661	43	14.0%
Cold Spring Harbor, NY	2,967	43	14.0%
Laurel Hollow, NY	2,019	43	14.0%
Halesite, NY	2,551	43	14.0%
Roslyn, NY	2,998	51	2.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Kelly Ridge, CA	2,998	46	8.0%
Bowling Green, FL	2,998	36	28.0%
Chaffee, MO	2,998	44	12.0%
Deer Lodge, MT	2,998	20	60.0%
Womelsdorf, PA	2,997	42	16.0%
Roslyn, NY	2,998	51	2.0%

Source: The Roslyn, 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.