TODAY AUG04
TEMPERATURE57
HUMIDITY84
PRESSURE
WIND COND.40 14.8
  • 6859Wed
  • 7560Thu
  • 7662Fri
  • 7966Sat
  • 7866Sun
daynightWeather update from Mackinac Island - Mackinac Island Airport at

Key findings

  • 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 36% better than the national average
  • The pollution index in Mackinac Island is 56% better than the national average

Compare Mackinac Island, MI Weather

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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.
      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"

      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 index326950
      Pollution index2,221,0504,018,8005,066,862

      Mackinac Island air quality information

      MeasurementTotal
      Days measured58
      Days with good air quality53
      Days with moderate air quality5
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      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.
      Mackinaw City, MI6553236%
      St. Ignace, MI2,5633236%
      Carp Lake, MI5313236%
      Cheboygan, MI4,7613236%
      Mackinac Island, MI7633236%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Alapaha, GA7632648%
      Everson, PA7633628%
      Auburn, PA7634216%
      Mount Hope, KS7634020%
      Piedmont, WV7633628%
      Mackinac Island, MI7633236%
      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.