Clear Lake, IL Weather - Forecast & Monthly Averages

TEMPERATURE	26
HUMIDITY	77
PRESSURE	102980
WIND COND.	130 14.8

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Weather Quick Facts

The highest monthly average temperature in Clear Lake for July is 76.6 degrees
The lowest monthly average temperature in Clear Lake for January is 28.5 degrees
The most monthly precipitation in Clear Lake occurs in June with 5.5 inches
The air quality index in Clear Lake is 5% better than the national average
The pollution index in Clear Lake is 88% worse than the national average

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Clear Lake 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	20°F	38°F	29°F	2.1"
February	22°F	41°F	31°F	1.9"
March	34°F	56°F	44°F	2.9"
April	44°F	68°F	56°F	4.3"
May	54°F	77°F	65°F	4.5"
June	64°F	86°F	74°F	5.5"
July	66°F	88°F	77°F	4.3"
August	64°F	86°F	75°F	3.2"
September	57°F	81°F	68°F	3.7"
October	46°F	69°F	56°F	3.7"
November	36°F	55°F	45°F	2.5"
December	26°F	41°F	33°F	2.8"

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Clear Lake 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	Clear Lake	Illinois	National
Air quality index	40	41	42
Pollution index	5,136,080	3,148,694	2,726,193

Clear Lake air quality

Measurement	Total
Days measured	360
Days with good air quality	287
Days with moderate air quality	73
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.090%
Carbon Tetrachloride	0.010%
Lead	0.390%
Mercury	0.020%

Average monthly Clear Lake temperature with heat index

Clear Lake monthly precipitation with daily maximum

Clear Lake monthly snow depth with daily maximum

Clear Lake monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Dawson, IL	705	40	20.0%
Elkhart, IL	459	40	20.0%
Cornland, IL	71	40	20.0%
Grandview, IL	1,389	40	20.0%
Mechanicsburg, IL	918	40	20.0%
Clear Lake, IL	386	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Newington, GA	386	39	22.0%
Addieville, IL	386	43	14.0%
Carbon Hill, IL	386	0	100.0%
Hartsburg, IL	386	44	12.0%
Longton, KS	386	40	20.0%
Clear Lake, IL	386	40	20.0%

Source: The Clear Lake, 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.