Delavan, IL Weather - Forecast & Monthly Averages

TEMPERATURE	37
HUMIDITY	100
PRESSURE	101460
WIND COND.	140 13

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Weather Quick Facts

The highest monthly average temperature in Delavan for July is 75.7 degrees
The lowest monthly average temperature in Delavan for January is 27.8 degrees
The most monthly precipitation in Delavan occurs in September with 11.5 inches
The air quality index in Delavan is 3% better than the national average
The pollution index in Delavan is 75% better than the national average

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Delavan 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	37°F	28°F	2.6"
February	21°F	39°F	29°F	3.2"
March	34°F	55°F	43°F	4.1"
April	44°F	67°F	55°F	6.7"
May	54°F	76°F	65°F	4.6"
June	63°F	85°F	74°F	8.5"
July	66°F	87°F	76°F	11.2"
August	64°F	86°F	74°F	8.1"
September	56°F	80°F	67°F	11.5"
October	46°F	68°F	56°F	6.3"
November	34°F	54°F	43°F	5.1"
December	25°F	40°F	32°F	5.3"

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Delavan 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	Delavan	Illinois	National
Air quality index	41	41	42
Pollution index	672,031	3,148,694	2,726,193

Delavan air quality

Measurement	Total
Days measured	365
Days with good air quality	285
Days with moderate air quality	78
Days w/ poor A.Q. for sensitive groups	2
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.001%
Benzene	0.030%
Carbon Tetrachloride	0.000%
Lead	0.001%
Mercury	0.020%

Average monthly Delavan temperature with heat index

Delavan monthly precipitation with daily maximum

Delavan monthly snow depth with daily maximum

Delavan monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Mason City, IL	2,342	40	20.0%
New Holland, IL	257	40	20.0%
Glasford, IL	897	41	18.0%
South Pekin, IL	1,061	41	18.0%
Green Valley, IL	716	41	18.0%
Delavan, IL	1,708	41	18.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Mancelona, MI	1,708	36	28.0%
Rawls Springs, MS	1,708	35	30.0%
Garrison, ND	1,708	36	28.0%
Santa Clara, NM	1,708	37	26.0%
Langham, SK	1,708	n/a
Delavan, IL	1,708	41	18.0%

Source: The Delavan, 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.