Grass Lake, MI Climate


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Grass Lake, MI enjoys a temperate climate characterized by four distinct seasons. The summers are warm and humid with temperatures usually reaching the high 70s and low 80s, while winters are cold with temperatures occasionally dipping into the teens. Spring is mild with occasional rainshowers, and autumn brings cooler temperatures but still plenty of sunshine. The area receives an average of 40 inches of rainfall annually.

Grass Lake, Michigan gets 33 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Grass Lake averages 41 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 178 sunny days per year in Grass Lake. The US average is 205 sunny days.

Grass Lake gets some kind of precipitation, on average, 133 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 82 degrees
Winter Low: the January low is 16
Rain: averages 33 inches of rain a year
Snow: averages 41 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Grass Lake is 6.7 (10=best), which means it is more comfortable than most places in Michigan.

9.2 Summer - 4.1 Winter
August, July and June are the most pleasant months in Grass Lake, while January and December are the least comfortable months.

  ClimateGrass Lake, MichiganUnited States
  32.9 in.38.1 in.
  41.3 in.27.8 in.
  133.2 days106.2 days
  178 days205 days
  82.3°85.8°
  15.5°21.7°
  6.77
  3.24.3
  997 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 Grass Lake with an average high temperature of 82.3°, which ranks it as warmer than most places in Michigan. In Grass Lake, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grass Lake are June, August and July.
In Grass Lake, there are 5.6 days annually when the high temperature is over 90°, which is about average compared to other places in Michigan.
January has the coldest nighttime temperatures for Grass Lake with an average of 15.5°. This is about average compared to other places in Michigan.
In Grass Lake, there are 141.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Michigan.
In Grass Lake, there are 6.2 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Michigan.
Humidity in Grass Lake is generally low and comfortable. But there some days when the humidity becomes unpleasant, especially in August and July. The most humid months (but still comfortable) are August, July and June.
September is the wettest month in Grass Lake with 3.5 inches of rain, and the driest month is February with 1.7 inches. The wettest season is Autumn with 31% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 32.9 inches in Grass Lake means that it is drier than most places in Michigan.
January is the rainiest month in Grass Lake with 13.6 days of rain, and September is the driest month with only 9.5 rainy days. There are 133.2 rainy days annually in Grass Lake, which is rainier than most places in Michigan. The rainiest season is Spring when it rains 28% of the time and the driest is Autumn with only a 23% chance of a rainy day.
An annual snowfall of 41.3 inches in Grass Lake means that it is less snowy than most places in Michigan. January is the snowiest month in Grass Lake with 12.6 inches of snow, and 6 months of the year have significant snowfall.
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