Mason County, MI Climate

Mason County, MI has a temperate climate with warm summers and cold winters. The average summer temperature is 74°F (23.3°C) while the average winter temperature is 34°F (1.1°C). The county receives an average of 35 inches (89 cm) of precipitation annually, with snowfall averaging 48 inches (122 cm). Summers in Mason County are usually sunny and dry, while winters tend to be cloudy and wet. There are occasional thunderstorms throughout the year, especially in late spring and early summer. The county also experiences lake-effect snowstorms during the winter months as it lies on the shores of Lake Michigan.

Mason County, Michigan gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Mason County averages 84 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 163 sunny days per year in Mason County. The US average is 205 sunny days.

Mason 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 80 degrees
Winter Low: the January low is 16
Rain: averages 36 inches of rain a year
Snow: averages 84 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Mason County is 6.4 (10=best), which means it is less comfortable than most places in Michigan.

9.3 Summer - 3.5 Winter

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

Climate	Mason, Michigan	United States
	35.5 in.	38.1 in.
	83.7 in.	27.8 in.
	130.6 days	106.2 days
	163 days	205 days
	80.4°	85.8°
	16.4°	21.7°
	6.4	7
	3.3	4.3
	694 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 Mason County with an average high temperature of 80.4°, which ranks it as cooler than most places in Michigan. In Mason County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mason County are August, June and July.

In Mason County, there are 3.6 days annually when the high temperature is over 90°, which is cooler than most places in Michigan.

January has the coldest nighttime temperatures for Mason County with an average of 16.4°. This is warmer than most places in Michigan.

In Mason County, there are 147.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Michigan.

In Mason County, there are 5.7 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Michigan.

Humidity in Mason 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 July, August and June.

September is the wettest month in Mason County with 3.8 inches of rain, and the driest month is February with 1.6 inches. The wettest season is Winter with 30% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 35.5 inches in Mason County means that it is wetter than most places in Michigan.

December is the rainiest month in Mason County with 14.8 days of rain, and July is the driest month with only 8.4 rainy days. There are 130.6 rainy days annually in Mason County, which is about average compared to other 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 83.7 inches in Mason County means that it is snowier than most places in Michigan. January is the snowiest month in Mason County with 25.2 inches of snow, and 6 months of the year have significant snowfall.

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