St. Helen, MI Weather - Forecast & Monthly Averages

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TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.

Weather Quick Facts

The highest monthly average temperature in St. Helen for July is 68.8 degrees
The lowest monthly average temperature in St. Helen for January is 20.3 degrees
The most monthly precipitation in St. Helen occurs in June with 3.9 inches
The air quality index in St. Helen is 14% better than the national average
The pollution index in St. Helen is 21% better than the national average

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St. Helen 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	12°F	29°F	20°F	2.3"
February	10°F	30°F	20°F	1.4"
March	19°F	42°F	30°F	2.1"
April	30°F	57°F	43°F	3.5"
May	42°F	70°F	56°F	3.2"
June	51°F	79°F	65°F	3.9"
July	55°F	82°F	69°F	2.9"
August	53°F	80°F	67°F	3.0"
September	46°F	73°F	59°F	2.8"
October	37°F	60°F	48°F	3.1"
November	28°F	46°F	37°F	2.2"
December	18°F	33°F	26°F	2.2"

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St. Helen 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. Helen	Michigan	National
Air quality index	36	69	42
Pollution index	2,149,790	4,161,606	2,726,193

St. Helen air quality

Measurement	Total
Days measured	365
Days with good air quality	330
Days with moderate air quality	35
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.001%
Benzene	0.020%
Carbon Tetrachloride	0.002%
Lead	0.003%
Mercury	0.000%

Average monthly St. Helen temperature with heat index

St. Helen monthly precipitation with daily maximum

St. Helen monthly snow depth with daily maximum

St. Helen monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Rose City, MI	671	26	48.0%
West Branch, MI	2,052	26	48.0%
Roscommon, MI	1,137	36	28.0%
Prudenville, MI	1,755	36	28.0%
St. Helen, MI	2,868	36	28.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Bald Knob, AR	2,868	45	10.0%
Simpsonville, KY	2,868	49	2.0%
Drumright, OK	2,868	45	10.0%
North Sioux City, SD	2,868	35	30.0%
Pemberton, BC	2,868	n/a
St. Helen, MI	2,868	36	28.0%

Source: The St. Helen, 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.