Mackinac County, MI Climate


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United States / Michigan / No Metro Area / Mackinac County / Cities / Zip Codes
Mackinac County, MI has a varied climate ranging from humid continental to subarctic. Summers in Mackinac County tend to be warm and humid, with temperatures reaching as high as the mid-80s Fahrenheit. Winters are cold and snowy, with temperatures dropping as low as 0 degrees Fahrenheit. The area's position near the Great Lakes moderates many of the wide fluctuations in temperature that are seen elsewhere in the state. Precipitation is abundant year round, although it does vary slightly between seasons. Snowfall usually begins in late October and can continue until early April, depending on the year.

Mackinac County, Michigan gets 32 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Mackinac County averages 93 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 156 sunny days per year in Mackinac County. The US average is 205 sunny days.

Mackinac County gets some kind of precipitation, on average, 131 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.


Weather Highlights

Summer High: the July high is around 77 degrees
Winter Low: the January low is 8
Rain: averages 32 inches of rain a year
Snow: averages 93 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Mackinac County is 6.0 (10=best), which means it is less comfortable than most places in Michigan.

9.1 Summer - 3 Winter
July, August and June are the most pleasant months in Mackinac County, while January and December are the least comfortable months.

  ClimateMackinac, MichiganUnited States
  31.5 in.38.1 in.
  93.0 in.27.8 in.
  130.9 days106.2 days
  156 days205 days
  76.9°85.8°
  8.1°21.7°
  67
  3.14.3
  726 ft.2443 ft.
Climate
YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Mackinac County with an average high temperature of 76.9°, which ranks it as one of the coolest places in Michigan. In Mackinac County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mackinac County are July, August and June.
In Mackinac County, there are 1.2 days annually when the high temperature is over 90°, which is one of the coolest places in Michigan.
January has the coldest nighttime temperatures for Mackinac County with an average of 8.1°. This is one of the coldest places in Michigan.
In Mackinac County, there are 170.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Michigan.
In Mackinac County, there are 22.5 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Michigan.
Humidity in Mackinac County is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and September.
October is the wettest month in Mackinac County with 3.7 inches of rain, and the driest month is February with 1.4 inches. The wettest season is Winter with 32% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 31.5 inches in Mackinac County means that it is drier than most places in Michigan.
October is the rainiest month in Mackinac County with 13.7 days of rain, and March is the driest month with only 8.6 rainy days. There are 130.9 rainy days annually in Mackinac County, which is about average compared to other places in Michigan. The rainiest season is Winter when it rains 29% of the time and the driest is Summer with only a 21% chance of a rainy day.
An annual snowfall of 93.0 inches in Mackinac County means that it is snowier than most places in Michigan. January is the snowiest month in Mackinac County with 25.8 inches of snow, and 7 months of the year have significant snowfall.
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