St. James, NY Weather - Forecast & Monthly Averages

TEMPERATURE	18
HUMIDITY	54
PRESSURE	103010
WIND COND.	320 27.7

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Weather Quick Facts

The highest monthly average temperature in St. James for July is 75.9 degrees
The lowest monthly average temperature in St. James for January is 32.3 degrees
The most monthly precipitation in St. James occurs in August with 5.6 inches
The air quality index in St. James is 2% worse than the national average
The pollution index in St. James is 1338% worse than the national average

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St. James 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	24°F	41°F	32°F	4.0"
February	24°F	43°F	33°F	3.0"
March	31°F	50°F	40°F	4.2"
April	41°F	61°F	50°F	3.5"
May	51°F	71°F	60°F	3.6"
June	60°F	79°F	69°F	4.7"
July	68°F	85°F	76°F	3.1"
August	65°F	83°F	74°F	5.6"
September	60°F	78°F	68°F	3.1"
October	49°F	67°F	58°F	4.1"
November	37°F	56°F	46°F	3.0"
December	31°F	47°F	39°F	4.9"

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

St. James 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 St. James temperature with heat index

St. James monthly precipitation with daily maximum

St. James monthly snow depth with daily maximum

St. James monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Deer Park, NY	26,043	43	14.0%
Islip Terrace, NY	5,244	43	14.0%
Oakdale, NY	6,947	43	14.0%
West Sayville, NY	4,956	43	14.0%
Centereach, NY	31,100	43	14.0%
St. James, NY	13,533	43	14.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Federal Heights, CO	13,537	58	16.0%
Ridge, NY	13,537	43	14.0%
Bay St. Louis, MS	13,539	42	16.0%
Sault Ste. Marie, MI	13,526	32	36.0%
Huntington, VA	13,526	47	6.0%
St. James, NY	13,533	43	14.0%

Source: The St. James, 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.