Port Jefferson, OH Weather - Forecast & Monthly Averages

TEMPERATURE	45
HUMIDITY	100
PRESSURE	102540
WIND COND.	30 5.4

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Weather Quick Facts

The highest monthly average temperature in Port Jefferson for August is 73.7 degrees
The lowest monthly average temperature in Port Jefferson for February is 24.7 degrees
The most monthly precipitation in Port Jefferson occurs in January with 11.1 inches
The air quality index in Port Jefferson is 7% better than the national average
The pollution index in Port Jefferson is 39% better than the national average

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Port Jefferson 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	22°F	37°F	29°F	11.1"
February	17°F	32°F	25°F	2.6"
March	31°F	50°F	39°F	6.7"
April	39°F	62°F	50°F	7.1"
May	48°F	74°F	61°F	1.6"
June	61°F	85°F	73°F	5.4"
July	61°F	84°F	73°F	5.5"
August	63°F	86°F	74°F	10.2"
September	56°F	79°F	67°F	5.9"
October	47°F	67°F	57°F	3.2"
November	33°F	52°F	43°F	5.1"
December	22°F	36°F	29°F	3.3"

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Port Jefferson 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	Port Jefferson	Ohio	National
Air quality index	39	40	42
Pollution index	1,662,340	4,472,386	2,726,193

Port Jefferson air quality

Measurement	Total
Days measured	364
Days with good air quality	303
Days with moderate air quality	61
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.003%
Benzene	0.020%
Carbon Tetrachloride	0.003%
Lead	0.030%
Mercury	0.010%

Average monthly Port Jefferson temperature with heat index

Port Jefferson monthly precipitation with daily maximum

Port Jefferson monthly snow depth with daily maximum

Port Jefferson monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Fort Loramie, OH	1,430	39	22.0%
Botkins, OH	1,151	39	22.0%
Lakeview, OH	1,140	39	22.0%
Minster, OH	2,784	39	22.0%
Chippewa Park, OH	598	39	22.0%
Port Jefferson, OH	434	39	22.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Rock Mills, AL	434	42	16.0%
Clay Springs, AZ	434	44	12.0%
Mesa, CA	434	47	6.0%
Livermore, IA	434	15	70.0%
Orient, IA	434	39	22.0%
Port Jefferson, OH	434	39	22.0%

Source: The Port Jefferson, OH 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.