Sibley, IL Weather - Forecast & Monthly Averages

TEMPERATURE	51
HUMIDITY	73
PRESSURE	102740
WIND COND.	40 13

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Weather Quick Facts

The highest monthly average temperature in Sibley for July is 75.5 degrees
The lowest monthly average temperature in Sibley for January is 26.7 degrees
The most monthly precipitation in Sibley occurs in August with 9.3 inches
The air quality index in Sibley is 5% worse than the national average
The pollution index in Sibley is 184% worse than the national average

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Sibley 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	19°F	35°F	27°F	3.2"
February	20°F	38°F	28°F	2.3"
March	34°F	53°F	42°F	3.3"
April	44°F	67°F	54°F	5.2"
May	54°F	77°F	65°F	5.3"
June	64°F	85°F	74°F	6.5"
July	66°F	86°F	76°F	5.8"
August	65°F	85°F	74°F	9.3"
September	58°F	80°F	68°F	8.3"
October	46°F	68°F	56°F	4.7"
November	35°F	54°F	43°F	4.6"
December	25°F	40°F	32°F	3.9"

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Sibley 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	Sibley	Illinois	National
Air quality index	44	41	42
Pollution index	7,745,200	3,148,694	2,726,193

Sibley air quality

Measurement	Total
Days measured	364
Days with good air quality	256
Days with moderate air quality	108
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.030%
Benzene	0.070%
Carbon Tetrachloride	0.020%
Lead	0.860%
Mercury	0.210%

Average monthly Sibley temperature with heat index

Sibley monthly precipitation with daily maximum

Sibley monthly snow depth with daily maximum

Sibley monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Elliott, IL	310	42	16.0%
Gibson City, IL	3,340	42	16.0%
Thawville, IL	225	42	16.0%
Ludlow, IL	426	42	16.0%
Melvin, IL	397	42	16.0%
Sibley, IL	223	44	12.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Tillar, AR	223	43	14.0%
Avera, GA	223	47	6.0%
Alta Vista, IA	223	15	70.0%
Ladora, IA	223	39	22.0%
Acequia, ID	223	20	60.0%
Sibley, IL	223	44	12.0%

Source: The Sibley, 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.