Leland, IL Weather - Forecast & Monthly Averages

TEMPERATURE	35
HUMIDITY	88
PRESSURE	102540
WIND COND.	30 11.2

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Weather Quick Facts

The highest monthly average temperature in Leland for July is 73 degrees
The lowest monthly average temperature in Leland for January is 23.1 degrees
The most monthly precipitation in Leland occurs in June with 4.5 inches
The air quality index in Leland is 100% better than the national average
The pollution index in Leland is 31% better than the national average

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Leland 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	15°F	32°F	23°F	1.5"
February	16°F	34°F	24°F	1.4"
March	29°F	49°F	38°F	2.3"
April	39°F	62°F	50°F	3.9"
May	49°F	73°F	61°F	4.3"
June	59°F	82°F	70°F	4.5"
July	62°F	84°F	73°F	4.3"
August	60°F	82°F	71°F	4.3"
September	53°F	77°F	64°F	2.9"
October	42°F	64°F	52°F	3.6"
November	30°F	50°F	40°F	2.1"
December	20°F	36°F	28°F	2.2"

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Leland 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	Leland	Illinois	National
Air quality index	0	41	42
Pollution index	1,874,490	3,148,694	2,726,193

Leland air quality

Measurement	Total
Days measured	335
Days with good air quality	334
Days with moderate air quality	1
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.002%
Benzene	0.030%
Carbon Tetrachloride	0.010%
Lead	0.010%
Mercury	0.010%

Average monthly Leland temperature with heat index

Leland monthly precipitation with daily maximum

Leland monthly snow depth with daily maximum

Leland monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Troy Grove, IL	210	0	100.0%
Millington, IL	662	0	100.0%
Lee, IL	380	0	100.0%
Shabbona, IL	937	0	100.0%
Earlville, IL	2,057	0	100.0%
Leland, IL	932	0	100.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Gowrie, IA	932	37	26.0%
Black Creek, NC	932	40	20.0%
Stateline, NV	932	13	74.0%
Cyril, OK	932	43	14.0%
Campbell, TX	932	51	2.0%
Leland, IL	932	0	100.0%

Source: The Leland, 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.