Allegan County, MI Climate

Allegan, MI County has a humid continental climate with warm, humid summers and cold winters. Average high temperatures in the summer months range from 70°F to the mid-80s°F while average lows dip into the 50s°F. Winters can be very cold with average highs in the 20s°F and average lows in the single digits. Precipitation is plentiful throughout the year, with most falling as snow during the winter months. The area generally sees around 32 inches of snow and 37 inches of rain annually.

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

Allegan County averages 77 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 161 sunny days per year in Allegan County. The US average is 205 sunny days.

Allegan County gets some kind of precipitation, on average, 134 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 18
Rain: averages 38 inches of rain a year
Snow: averages 77 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Allegan County is 6.6 (10=best), which means it is about average compared to other places in Michigan.

9.2 Summer - 3.8 Winter

June, August and July are the most pleasant months in Allegan County, while January and December are the least comfortable months.

Climate	Allegan, Michigan	United States
	Unlock	38.1 in.
	77.3 in.	Unlock
	Unlock	106.2 days
	161 days	Unlock
	82.1°	85.8°
	Unlock	21.7°
	6.6	Unlock
	Unlock	4.3
	715 ft.	Unlock

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 Allegan County with an average high temperature of 82.1°, which ranks it as about average compared to other places in Michigan. In Allegan County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Allegan County are June, August and July.

In Allegan County, there are 6.9 days annually when the high temperature is over 90°, which is hotter than most places in Michigan.

January has the coldest nighttime temperatures for Allegan County with an average of 17.5°. This is warmer than most places in Michigan.

In Allegan County, there are 134.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Michigan.

In Allegan County, there are 4.8 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Michigan.

Humidity in Allegan County 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 Allegan County with 4.0 inches of rain, and the driest month is February with 2.0 inches. The wettest season is Autumn with 28% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 38.4 inches in Allegan County means that it is one of the wettest places in Michigan.

December is the rainiest month in Allegan County with 14.6 days of rain, and July is the driest month with only 8.8 rainy days. There are 134.0 rainy days annually in Allegan County, which is rainier than most places in Michigan. The rainiest season is Spring when it rains 30% of the time and the driest is Autumn with only a 20% chance of a rainy day.

An annual snowfall of 77.3 inches in Allegan County means that it is snowier than most places in Michigan. January is the snowiest month in Allegan County with 24.7 inches of snow, and 6 months of the year have significant snowfall.

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