TODAY AUG17
TEMPERATURE72
HUMIDITY67
PRESSURE
WIND COND.100 6.9
  • 7763Fri
  • 7763Sat
  • 7865Sun
  • 7661Mon
  • 7057Tue
daynightWeather update from Mackinac Island - Mackinac Island Airport at

Mackinac Island Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January16°F28°F22°F2.0"
February14°F27°F20°F0.7"
March22°F37°F29°F3.3"
April33°F48°F39°F3.7"
May42°F61°F51°F3.9"
June52°F69°F60°F5.3"
July59°F75°F66°F5.8"
August59°F74°F66°F4.5"
September53°F68°F60°F4.5"
October43°F56°F49°F5.0"
November33°F44°F38°F3.6"
December22°F32°F27°F3.6"

Did you know?

  • The highest monthly average temperature in Mackinac Island for July is 66 degrees.
  • The lowest monthly average temperature in Mackinac Island for February is 20 degrees.
  • The most monthly precipitation in Mackinac Island occurs in July with 5.8 inches.
  • The air quality index in Mackinac Island is 473% worse than the national average.
  • The pollution index in Mackinac Island is 56% better than the national average.

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Compare Mackinac Island, MI Weather To Other Cities

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.
IndexMackinac IslandMichiganNational
Air quality index2856950
Pollution index2,221,0504,018,8005,066,862

Mackinac Island air quality information

MeasurementTotal
Days measured292
Days with good air quality271
Days with moderate air quality21
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Mackinac Island air quality information

PollutantTotal
Arsenic0.040%
Benzene0.020%
Carbon Tetrachloride0.002%
Lead0.010%
Mercury0.003%

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, StatePopulationAir Quality IndexNational Avg.
Carp Lake, MI531285470%
Cheboygan, MI4,761285470%
Mackinaw City, MI655285470%
St. Ignace, MI2,563285470%
Mackinac Island, MI763285470%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Tilden, IL7633922%
Piedmont, WV7633236%
North Hornell, NY7633040%
Marengo, IN7631178%
Sunrise Beach Village, TX7634118%
Mackinac Island, MI763285470%
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.