Petersburg, IL Weather - Forecast & Monthly Averages

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TEMPERATURE	73
HUMIDITY	94
PRESSURE	101520
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Petersburg for July is 76.6 degrees
The lowest monthly average temperature in Petersburg for January is 28.5 degrees
The most monthly precipitation in Petersburg occurs in June with 5.5 inches
The air quality index in Petersburg is 5% better than the national average
The pollution index in Petersburg is 85% better than the national average

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Petersburg 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	38°F	29°F	2.1"
February	22°F	41°F	31°F	1.9"
March	34°F	56°F	44°F	2.9"
April	44°F	68°F	56°F	4.3"
May	54°F	77°F	65°F	4.5"
June	64°F	86°F	74°F	5.5"
July	66°F	88°F	77°F	4.3"
August	64°F	86°F	75°F	3.2"
September	57°F	81°F	68°F	3.7"
October	46°F	69°F	56°F	3.7"
November	36°F	55°F	45°F	2.5"
December	26°F	41°F	33°F	2.8"

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Petersburg 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	Petersburg	Illinois	National
Air quality index	40	41	42
Pollution index	400,905	3,148,694	2,726,193

Petersburg 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	0.000%
Benzene	0.020%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly Petersburg temperature with heat index

Petersburg monthly precipitation with daily maximum

Petersburg monthly snow depth with daily maximum

Petersburg monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Greenview, IL	920	40	20.0%
New Holland, IL	257	40	20.0%
Pleasant Plains, IL	718	40	20.0%
Tallula, IL	540	40	20.0%
Kilbourne, IL	350	40	20.0%
Petersburg, IL	2,564	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Premont, TX	2,564	30	40.0%
Fobes Hill, WA	2,564	45	10.0%
Cape Neddick, ME	2,563	40	20.0%
Glenwood, MN	2,563	32	36.0%
Pembroke, GA	2,565	39	22.0%
Petersburg, IL	2,564	40	20.0%

Source: The Petersburg, 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.