Stonington, IL Weather - Forecast & Monthly Averages

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TEMPERATURE	54
HUMIDITY	58
PRESSURE	102000
WIND COND.

Weather Quick Facts

The highest monthly average temperature in Stonington for July is 75.7 degrees
The lowest monthly average temperature in Stonington for January is 28.5 degrees
The most monthly precipitation in Stonington occurs in July with 15.2 inches
The air quality index in Stonington is 5% worse than the national average
The pollution index in Stonington is 14% better than the national average

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Stonington 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	22°F	37°F	28°F	2.4"
February	23°F	39°F	30°F	1.0"
March	36°F	55°F	44°F	4.5"
April	45°F	67°F	55°F	12.9"
May	55°F	76°F	65°F	9.0"
June	64°F	85°F	73°F	4.0"
July	66°F	87°F	76°F	15.2"
August	64°F	86°F	74°F	6.8"
September	57°F	80°F	67°F	6.1"
October	46°F	67°F	55°F	4.5"
November	36°F	54°F	44°F	3.5"
December	27°F	40°F	33°F	2.2"

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Stonington 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	Stonington	Illinois	National
Air quality index	44	41	42
Pollution index	2,357,280	3,148,694	2,726,193

Stonington air quality

Measurement	Total
Days measured	365
Days with good air quality	255
Days with moderate air quality	110
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	0.004%
Lead	0.010%
Mercury	0.000%

Average monthly Stonington temperature with heat index

Stonington monthly precipitation with daily maximum

Stonington monthly snow depth with daily maximum

Stonington monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Edinburg, IL	1,088	40	20.0%
Tovey, IL	582	40	20.0%
Dawson, IL	705	40	20.0%
Jeisyville, IL	58	40	20.0%
Langleyville, IL	439	40	20.0%
Stonington, IL	671	44	12.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Geyserville, CA	671	34	32.0%
Rose City, MI	671	26	48.0%
Clear Lake, MN	671	32	36.0%
Jasper, MN	671	36	28.0%
Marine on St. Croix, MN	671	46	8.0%
Stonington, IL	671	44	12.0%

Source: The Stonington, 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.