Marion County, MO Climate

Marion County, MO has a humid subtropical climate that is characterized by hot, humid summers and mild winters. The average annual temperature is around 60°F (15.5°C). Precipitation totals are spread throughout the year with an average of 48 inches (122 cm) per year. Humidity levels can be high during the summer months while winter days are generally mild and sunny. Marion County experiences all four seasons with a wide range of temperatures due to its location in the Midwest. Winters tend to be relatively short and mild with occasional snowfall while summers are long and hot with occasional thunderstorms.

Marion County, Missouri gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Marion County averages 14 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 196 sunny days per year in Marion County. The US average is 205 sunny days.

Marion County gets some kind of precipitation, on average, 99 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 87 degrees
Winter Low: the January low is 19
Rain: averages 39 inches of rain a year
Snow: averages 14 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Marion County is 7.2 (10=best), which means it is more comfortable than most places in Missouri.

8.1 Summer - 5.4 Winter

September, May and June are the most pleasant months in Marion County, while January and December are the least comfortable months.

Climate	Marion, Missouri	United States
	Unlock	38.1 in.
	14.1 in.	Unlock
	Unlock	106.2 days
	196 days	Unlock
	87.0°	85.8°
	Unlock	21.7°
	7.2	Unlock
	Unlock	4.3
	621 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 Marion County with an average high temperature of 87.0°, which ranks it as cooler than most places in Missouri. In Marion County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Marion County are September, May and June.

In Marion County, there are 26.0 days annually when the high temperature is over 90°, which is cooler than most places in Missouri.

January has the coldest nighttime temperatures for Marion County with an average of 18.5°. This is colder than most places in Missouri.

In Marion County, there are 109.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Missouri.

In Marion County, there are 5.4 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Missouri.

The humidity can be uncomfortably heavy or close in Marion County during the summer months. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most humid months in Marion County.

May is the wettest month in Marion County with 4.8 inches of rain, and the driest month is January with 1.7 inches. The wettest season is Autumn with 32% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 38.7 inches in Marion County means that it is one of the driest places in Missouri.

May is the rainiest month in Marion County with 10.9 days of rain, and January is the driest month with only 6.3 rainy days. There are 98.6 rainy days annually in Marion County, which is about average compared to other places in Missouri. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 21% chance of a rainy day.

An annual snowfall of 14.1 inches in Marion County means that it is snowier than most places in Missouri. February is the snowiest month in Marion County with 4.1 inches of snow, and 5 months of the year have significant snowfall.

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