Ste. Marie, IL Weather - Forecast & Monthly Averages

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TEMPERATURE	57
HUMIDITY	34
PRESSURE	30.39
WIND COND.	180 7.6

Key findings

The highest monthly average temperature in Ste. Marie for July is 76 degrees
The lowest monthly average temperature in Ste. Marie for January is 31 degrees
The most monthly precipitation in Ste. Marie occurs in April with 7.6 inches
The air quality index in Ste. Marie is 20% better than the national average
The pollution index in Ste. Marie is 90% better than the national average

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Ste. Marie 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	23°F	40°F	31°F	5.3"
February	24°F	43°F	33°F	3.4"
March	36°F	57°F	45°F	4.0"
April	46°F	69°F	56°F	7.6"
May	56°F	77°F	66°F	6.3"
June	64°F	86°F	75°F	6.7"
July	66°F	87°F	76°F	5.7"
August	63°F	86°F	74°F	4.9"
September	56°F	82°F	67°F	5.9"
October	46°F	70°F	57°F	5.6"
November	35°F	56°F	44°F	5.6"
December	28°F	44°F	35°F	4.9"

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Ste. Marie 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	Ste. Marie	Illinois	National
Air quality index	40	41	50
Pollution index	500,004	3,347,295	5,066,862

Ste. Marie air quality information

Measurement	Total
Days measured	245
Days with good air quality	224
Days with moderate air quality	21
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Ste. Marie air quality information

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

Average monthly Ste. Marie temperature with heat index

Ste. Marie monthly precipitation with daily maximum

Ste. Marie monthly snow depth with daily maximum

Ste. Marie monthly wind speed information

Nearby cities with good air quality

City, State	Population	Air Quality Index	National Avg.
Claremont, IL	272	36	28%
Olney, IL	8,931	36	28%
Oblong, IL	1,571	36	28%
Stoy, IL	130	36	28%
Sumner, IL	5,094	36	28%
Ste. Marie, IL	275	40	20%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Grand Beach, MI	275	37	26%
Gary, MN	275	33	34%
Casar, NC	275	36	28%
Montrose, AR	275	43	14%
Boydton, VA	275	44	12%
Ste. Marie, IL	275	40	20%

Source: The Ste. Marie, 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.