Frankfort, IL Weather - Forecast & Monthly Averages

TEMPERATURE	39
HUMIDITY	45
PRESSURE	102610
WIND COND.	60 16.6

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Weather Quick Facts

The highest monthly average temperature in Frankfort for July is 73.4 degrees
The lowest monthly average temperature in Frankfort for January is 24.4 degrees
The most monthly precipitation in Frankfort occurs in August with 7.7 inches
The air quality index in Frankfort is 31% worse than the national average
The pollution index in Frankfort is 43% better than the national average

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Frankfort 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	17°F	32°F	24°F	3.1"
February	18°F	34°F	26°F	3.0"
March	31°F	49°F	39°F	5.2"
April	40°F	62°F	50°F	4.8"
May	51°F	73°F	61°F	5.9"
June	60°F	82°F	70°F	6.7"
July	64°F	84°F	73°F	4.1"
August	62°F	82°F	71°F	7.7"
September	55°F	76°F	65°F	3.2"
October	44°F	64°F	53°F	7.3"
November	33°F	50°F	41°F	3.9"
December	22°F	36°F	29°F	3.7"

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Frankfort 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	Frankfort	Illinois	National
Air quality index	55	41	42
Pollution index	1,558,070	3,148,694	2,726,193

Frankfort air quality information

Measurement	Total
Days measured	365
Days with good air quality	121
Days with moderate air quality	227
Days w/ poor A.Q. for sensitive groups	16
Days with unhealthy air quality	1

Frankfort air quality information

Pollutant	Total
Arsenic	0.010%
Benzene	0.010%
Carbon Tetrachloride	0.070%
Lead	0.090%
Mercury	0.010%

Average monthly Frankfort temperature with heat index

Frankfort monthly precipitation with daily maximum

Frankfort monthly snow depth with daily maximum

Frankfort monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Elwood, IL	2,524	0	100.0%
Crete, IL	8,058	55	10.0%
Sauk Village, IL	10,319	55	10.0%
Country Club Hills, IL	16,564	55	10.0%
Hazel Crest, IL	13,918	55	10.0%
Frankfort, IL	19,166	55	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
North Liberty, IA	19,159	35	30.0%
Pinecrest, FL	19,183	41	18.0%
Nanuet, NY	19,148	51	2.0%
Hermosa Beach, CA	19,147	72	44.0%
Carlisle, PA	19,188	44	12.0%
Frankfort, IL	19,166	55	10.0%

Source: The Frankfort, 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.