Port Byron, IL Weather - Forecast & Monthly Averages

TEMPERATURE	63
HUMIDITY	30
PRESSURE	102270
WIND COND.	110 25.9

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Weather Quick Facts

The highest monthly average temperature in Port Byron for July is 76.1 degrees
The lowest monthly average temperature in Port Byron for January is 23.7 degrees
The most monthly precipitation in Port Byron occurs in July with 8.9 inches
The air quality index in Port Byron is 9% worse than the national average
The pollution index in Port Byron is 36% better than the national average

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Port Byron 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	16°F	33°F	24°F	2.2"
February	20°F	34°F	26°F	3.0"
March	33°F	52°F	42°F	3.7"
April	41°F	63°F	51°F	6.9"
May	52°F	75°F	63°F	8.3"
June	62°F	82°F	72°F	7.5"
July	66°F	86°F	76°F	8.9"
August	63°F	84°F	73°F	7.8"
September	54°F	77°F	64°F	4.7"
October	43°F	66°F	53°F	5.8"
November	31°F	50°F	40°F	6.8"
December	18°F	34°F	26°F	3.5"

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Port Byron 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 Byron	Illinois	National
Air quality index	46	41	42
Pollution index	1,753,590	3,148,694	2,726,193

Port Byron air quality information

Measurement	Total
Days measured	365
Days with good air quality	217
Days with moderate air quality	145
Days w/ poor A.Q. for sensitive groups	3
Days with unhealthy air quality	0

Port Byron air quality information

Pollutant	Total
Arsenic	0.010%
Benzene	0.070%
Carbon Tetrachloride	0.000%
Lead	0.010%
Mercury	0.001%

Average monthly Port Byron temperature with heat index

Port Byron monthly precipitation with daily maximum

Port Byron monthly snow depth with daily maximum

Port Byron monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
McCausland, IA	379	42	16.0%
Albany, IL	812	42	16.0%
Princeton, IA	942	42	16.0%
Camanche, IA	4,342	42	16.0%
Cordova, IL	685	42	16.0%
Port Byron, IL	2,028	46	8.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Greentown, IN	2,028	37	26.0%
Wautoma, WI	2,028	35	30.0%
Kippens, NL	2,028	n/a
Somonauk, IL	2,027	0	100.0%
Woodville, OH	2,027	40	20.0%
Port Byron, IL	2,028	46	8.0%

Source: The Port Byron, IL 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.