Northwest Harbor, NY Weather - Forecast & Monthly Averages

TEMPERATURE	49
HUMIDITY	39
PRESSURE	102780
WIND COND.	140 11.2

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Weather Quick Facts

The highest monthly average temperature in Northwest Harbor for July is 74.8 degrees
The lowest monthly average temperature in Northwest Harbor for February is 35 degrees
The most monthly precipitation in Northwest Harbor occurs in October with 13.5 inches
The air quality index in Northwest Harbor is 12% better than the national average
The pollution index in Northwest Harbor is 51% worse than the national average

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Northwest Harbor 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	31°F	39°F	36°F	4.2"
February	30°F	40°F	35°F	3.0"
March	36°F	46°F	41°F	6.5"
April	45°F	56°F	51°F	7.6"
May	55°F	65°F	60°F	6.6"
June	63°F	73°F	68°F	3.1"
July	69°F	79°F	75°F	5.8"
August	67°F	78°F	73°F	6.3"
September	63°F	72°F	68°F	8.5"
October	54°F	63°F	59°F	13.5"
November	44°F	53°F	49°F	7.3"
December	35°F	44°F	40°F	6.0"

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Northwest Harbor 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	Northwest Harbor	New York	National
Air quality index	37	43	42
Pollution index	4,117,250	6,179,275	2,726,193

Northwest Harbor air quality information

Measurement	Total
Days measured	364
Days with good air quality	323
Days with moderate air quality	34
Days w/ poor A.Q. for sensitive groups	7
Days with unhealthy air quality	0

Northwest Harbor air quality information

Pollutant	Total
Arsenic	0.010%
Benzene	0.050%
Carbon Tetrachloride	0.010%
Lead	0.010%
Mercury	0.010%

Average monthly Northwest Harbor temperature with heat index

Northwest Harbor monthly precipitation with daily maximum

Northwest Harbor monthly snow depth with daily maximum

Northwest Harbor monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Shelter Island, NY	1,980	37	26.0%
Wainscott, NY	342	37	26.0%
Amagansett, NY	510	37	26.0%
East Hampton, NY	920	37	26.0%
Montauk, NY	3,563	37	26.0%
Northwest Harbor, NY	4,138	37	26.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Red Lake, ON	4,137	n/a
Haleyville, AL	4,139	37	26.0%
North Wilkesboro, NC	4,139	26	48.0%
Grafton, ND	4,139	33	34.0%
Falls City, NE	4,139	43	14.0%
Northwest Harbor, NY	4,138	37	26.0%

Source: The Northwest Harbor, 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.