Mackinac Island, MI Weather - Forecast & Monthly Averages

TEMPERATURE	37
HUMIDITY	93
PRESSURE
WIND COND.	250 24.1

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Weather Quick Facts

The highest monthly average temperature in Mackinac Island for July is 66.5 degrees
The lowest monthly average temperature in Mackinac Island for February is 20.4 degrees
The most monthly precipitation in Mackinac Island occurs in July with 5.8 inches
The air quality index in Mackinac Island is 24% better than the national average
The pollution index in Mackinac Island is 19% better than the national average

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Mackinac Island 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	16°F	28°F	22°F	2.0"
February	14°F	27°F	20°F	0.7"
March	22°F	37°F	29°F	3.3"
April	33°F	48°F	39°F	3.7"
May	42°F	61°F	51°F	3.9"
June	52°F	69°F	60°F	5.3"
July	59°F	75°F	66°F	5.8"
August	59°F	74°F	66°F	4.5"
September	53°F	68°F	60°F	4.5"
October	43°F	56°F	49°F	5.0"
November	33°F	44°F	38°F	3.6"
December	22°F	32°F	27°F	3.6"

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Mackinac Island 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	Mackinac Island	Michigan	National
Air quality index	32	69	42
Pollution index	2,221,050	4,161,606	2,726,193

Mackinac Island air quality

Measurement	Total
Days measured	58
Days with good air quality	53
Days with moderate air quality	5
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.040%
Benzene	0.020%
Carbon Tetrachloride	0.002%
Lead	0.010%
Mercury	0.003%

Average monthly Mackinac Island temperature with heat index

Mackinac Island monthly precipitation with daily maximum

Mackinac Island monthly snow depth with daily maximum

Mackinac Island monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Carp Lake, MI	525	32	36.0%
Cheboygan, MI	4,725	32	36.0%
Mackinaw City, MI	704	32	36.0%
St. Ignace, MI	2,133	32	36.0%
Mackinac Island, MI	992	32	36.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Rossville, KS	992	41	18.0%
Stamping Ground, KY	992	42	16.0%
Eureka, SD	992	20	60.0%
Alexandria, TN	992	25	50.0%
Allardt, TN	992	53	6.0%
Mackinac Island, MI	992	32	36.0%

Source: The Mackinac Island, 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.