Summerfield, IL Weather - Forecast & Monthly Averages

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TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.

Weather Quick Facts

The highest monthly average temperature in Summerfield for August is 80 degrees
The lowest monthly average temperature in Summerfield for December is 33.3 degrees
The most monthly precipitation in Summerfield occurs in September with 16.1 inches
The air quality index in Summerfield is 28% worse than the national average
The pollution index in Summerfield is 122% worse than the national average

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Summerfield 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	28°F	43°F	34°F	9.8"
February	26°F	45°F	34°F	4.7"
March	38°F	60°F	48°F	2.9"
April	45°F	68°F	56°F	5.6"
May	56°F	79°F	67°F	3.7"
June	65°F	88°F	76°F	7.6"
July	67°F	88°F	77°F	12.3"
August	70°F	93°F	80°F	7.2"
September	61°F	85°F	72°F	16.1"
October	49°F	72°F	59°F	7.5"
November	38°F	59°F	47°F	11.9"
December	27°F	42°F	33°F	2.9"

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Summerfield 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	Summerfield	Illinois	National
Air quality index	54	41	42
Pollution index	6,055,640	3,148,694	2,726,193

Summerfield air quality

Measurement	Total
Days measured	365
Days with good air quality	134
Days with moderate air quality	221
Days w/ poor A.Q. for sensitive groups	8
Days with unhealthy air quality	2

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.070%
Carbon Tetrachloride	0.040%
Lead	0.100%
Mercury	0.230%

Average monthly Summerfield temperature with heat index

Summerfield monthly precipitation with daily maximum

Summerfield monthly snow depth with daily maximum

Summerfield monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Germantown, IL	1,279	43	14.0%
Breese, IL	4,160	43	14.0%
Addieville, IL	386	43	14.0%
Okawville, IL	1,469	43	14.0%
Glen Carbon, IL	12,468	54	8.0%
Summerfield, IL	324	54	8.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Shaktoolik, AK	324	38	24.0%
Etowah, AR	324	45	10.0%
Grangeville, CA	324	56	12.0%
Las Flores CDP (Tehama County), CA	324	89	78.0%
Stonefort, IL	324	44	12.0%
Summerfield, IL	324	54	8.0%

Source: The Summerfield, 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.