South Jacksonville, IL Weather - Forecast & Monthly Averages

TEMPERATURE	38
HUMIDITY	78
PRESSURE	101860
WIND COND.	300 18.4

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Weather Quick Facts

The highest monthly average temperature in South Jacksonville for July is 76.2 degrees
The lowest monthly average temperature in South Jacksonville for January is 29 degrees
The most monthly precipitation in South Jacksonville occurs in June with 8 inches
The air quality index in South Jacksonville is 5% better than the national average
The pollution index in South Jacksonville is 58% better than the national average

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South Jacksonville 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	21°F	39°F	29°F	3.2"
February	22°F	41°F	31°F	2.9"
March	35°F	56°F	44°F	3.7"
April	44°F	68°F	55°F	6.8"
May	55°F	76°F	65°F	5.2"
June	64°F	85°F	74°F	8.0"
July	66°F	87°F	76°F	5.2"
August	64°F	85°F	74°F	6.3"
September	57°F	80°F	68°F	6.6"
October	46°F	68°F	56°F	3.3"
November	36°F	55°F	45°F	5.0"
December	26°F	41°F	33°F	5.3"

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South Jacksonville 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	South Jacksonville	Illinois	National
Air quality index	40	41	42
Pollution index	1,150,670	3,148,694	2,726,193

South Jacksonville 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	0.001%
Benzene	0.030%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly South Jacksonville temperature with heat index

South Jacksonville monthly precipitation with daily maximum

South Jacksonville monthly snow depth with daily maximum

South Jacksonville monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Waverly, IL	1,482	40	20.0%
Jacksonville, IL	18,784	40	20.0%
Alsey, IL	175	40	20.0%
Roodhouse, IL	1,656	40	20.0%
Chapin, IL	536	40	20.0%
South Jacksonville, IL	3,132	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Hill 'n Dale, FL	3,132	30	40.0%
West Simsbury, CT	3,131	41	18.0%
Orchard Park, NY	3,131	39	22.0%
Woodside, PA	3,133	41	18.0%
Winfield, WV	3,133	40	20.0%
South Jacksonville, IL	3,132	40	20.0%

Source: The South Jacksonville, 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.