Mason City Metro Area, IA Climate

Mason City, IA Metro Area has a humid continental climate with warm to hot summers and cold winters. During the summer months, temperatures often rise above 80 degrees Fahrenheit with high humidity levels. Winters are usually very cold and temperatures usually dip down to around 15 degrees Fahrenheit with occasional snowfall. The spring and fall months bring mild temperatures and pleasant weather. Rainfall is fairly evenly distributed throughout the year, although June tends to be the rainiest month in Mason City.

Mason City Metro Area, Iowa gets 35 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Mason City Metro Area averages 37 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 186 sunny days per year in Mason City Metro Area. The US average is 205 sunny days.

Mason City Metro Area gets some kind of precipitation, on average, 102 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 6
Rain: averages 35 inches of rain a year
Snow: averages 37 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the Mason City metro area is 6.6 (10=best), which means it is one of the least comfortable places in Iowa.

9.1 Summer - 4 Winter

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

Climate	Mason City, Iowa	United States
	Unlock	38.1 in.
	37.3 in.	Unlock
	Unlock	106.2 days
	186 days	Unlock
	82.2°	85.8°
	Unlock	21.7°
	6.6	Unlock
	Unlock	4.3
	1208 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 the Mason City metro area with an average high temperature of 82.2°, which ranks it as one of the coolest places in Iowa. In the Mason City metro area, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the Mason City metro area are June, August and July.

In the Mason City metro area, there are 8.7 days annually when the high temperature is over 90°, which is cooler than most places in Iowa.

January has the coldest nighttime temperatures for the Mason City metro area with an average of 6.4°. This is one of the coldest places in Iowa.

In the Mason City metro area, there are 159.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Iowa.

In the Mason City metro area, there are 25.7 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Iowa.

The humidity is usually comfortable in the Mason City metro area but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.

June is the wettest month in the Mason City metro area with 5.1 inches of rain, and the driest month is January with 0.8 inches. The wettest season is Autumn with 40% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 34.9 inches in the Mason City metro area means that it is drier than most places in Iowa.

May is the rainiest month in the Mason City metro area with 11.7 days of rain, and February is the driest month with only 5.7 rainy days. There are 102.4 rainy days annually in the Mason City metro area, which is rainier than most places in Iowa. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 19% chance of a rainy day.

An annual snowfall of 37.3 inches in the Mason City metro area means that it is one of the snowiest places in Iowa. December is the snowiest month in the Mason City metro area with 9.2 inches of snow, and 6 months of the year have significant snowfall.

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