St. Charles, MI Weather - Forecast & Monthly Averages

TEMPERATURE	34
HUMIDITY	82
PRESSURE	100510
WIND COND.	20 22.3

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Weather Quick Facts

The highest monthly average temperature in St. Charles for July is 72 degrees
The lowest monthly average temperature in St. Charles for January is 24 degrees
The most monthly precipitation in St. Charles occurs in August with 4.6 inches
The air quality index in St. Charles is 38% better than the national average
The pollution index in St. Charles is 161% worse than the national average

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St. Charles 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	17°F	31°F	24°F	1.7"
February	17°F	32°F	24°F	1.1"
March	26°F	44°F	34°F	1.9"
April	37°F	59°F	47°F	4.0"
May	48°F	71°F	59°F	3.4"
June	58°F	80°F	68°F	4.0"
July	61°F	83°F	72°F	3.1"
August	60°F	81°F	70°F	4.6"
September	52°F	75°F	63°F	2.9"
October	42°F	62°F	52°F	3.1"
November	32°F	49°F	40°F	2.1"
December	23°F	35°F	29°F	1.7"

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St. Charles 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	St. Charles	Michigan	National
Air quality index	26	69	42
Pollution index	7,127,120	4,161,606	2,726,193

St. Charles air quality

Measurement	Total
Days measured	316
Days with good air quality	288
Days with moderate air quality	28
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.160%
Benzene	0.040%
Carbon Tetrachloride	0.010%
Lead	0.050%
Mercury	0.140%

Average monthly St. Charles temperature with heat index

St. Charles monthly precipitation with daily maximum

St. Charles monthly snow depth with daily maximum

St. Charles monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Saginaw, MI	48,407	26	48.0%
Buena Vista, MI	6,401	26	48.0%
Shields, MI	7,301	26	48.0%
Bridgeport, MI	6,208	26	48.0%
Hemlock, MI	1,042	26	48.0%
St. Charles, MI	2,101	26	48.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Anza, CA	2,101	89	78.0%
Sturbridge, MA	2,101	40	20.0%
Southmont, PA	2,101	39	22.0%
Blacksburg, SC	2,101	36	28.0%
Sainte-Béatrix, QC	2,101	n/a
St. Charles, MI	2,101	26	48.0%

Source: The St. Charles, MI 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.