St. Ignace, MI Climate


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United States / Michigan / No Metro Area / Mackinac County / St. Ignace / Zip Codes
St. Ignace, MI is located in the northernmost region of Michigan's Lower Peninsula. The climate in this area is generally described as a continental climate, meaning that summers are warm and humid with temperatures ranging from 60°F to 80°F and the winters are cold and snowy with average temperatures between 20°F and 30°F. Precipitation is fairly evenly distributed throughout the year, although there is typically a bit more rainfall during the summer months. Snowfall is heavy in St. Ignace during winter months, creating an ideal environment for winter activities such as skiing and snowmobiling.

St. Ignace, Michigan gets 30 inches of rain, on average, per year. The US average is 38 inches of rain per year.

St. Ignace averages 89 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 St. Ignace. The US average is 205 sunny days.

St. Ignace gets some kind of precipitation, on average, 127 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 76 degrees
Winter Low: the January low is 10
Rain: averages 30 inches of rain a year
Snow: averages 89 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for St. Ignace is 6.1 (10=best), which means it is less comfortable than most places in Michigan.

9.2 Summer - 3.2 Winter
July, August and June are the most pleasant months in St. Ignace, while January and February are the least comfortable months.

  ClimateSt. Ignace, MichiganUnited States
  30.2 in.38.1 in.
  88.8 in.27.8 in.
  127.4 days106.2 days
  156 days205 days
  76.2°85.8°
  9.7°21.7°
  6.17
  3.14.3
  587 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 St. Ignace with an average high temperature of 76.2°, which ranks it as one of the coolest places in Michigan. In St. Ignace, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for St. Ignace are July, August and June.
In St. Ignace, there are 0.8 days annually when the high temperature is over 90°, which is one of the coolest places in Michigan.
February has the coldest nighttime temperatures for St. Ignace with an average of 9.6°. This is colder than most places in Michigan.
In St. Ignace, there are 162.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Michigan.
In St. Ignace, there are 18.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Michigan.
Humidity in St. Ignace 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 June.
October is the wettest month in St. Ignace with 3.5 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 30.2 inches in St. Ignace means that it is one of the driest places in Michigan.
October is the rainiest month in St. Ignace with 13.5 days of rain, and March is the driest month with only 8.7 rainy days. There are 127.4 rainy days annually in St. Ignace, 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 22% chance of a rainy day.
An annual snowfall of 88.8 inches in St. Ignace means that it is snowier than most places in Michigan. January is the snowiest month in St. Ignace with 24.7 inches of snow, and 7 months of the year have significant snowfall.
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