Chouteau County, MT Climate

Chouteau, MT County has a semi-arid climate with cold winters and mild summers. Average temperatures range from an average low of 27°F in January to an average high of 87°F in July. The area receives a moderate amount of precipitation each year with an average of 13 inches annually, most of which occurs during the spring and summer months. In addition to this normal precipitation, Chinook winds often bring heavy rainfall to the area. Snowfall is also common during winter months, with an average accumulation of 28 inches per year. Overall, Chouteau, MT County has a pleasant climate and beautiful scenery throughout the year.

Chouteau County, Montana gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Chouteau County averages 48 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 185 sunny days per year in Chouteau County. The US average is 205 sunny days.

Chouteau County gets some kind of precipitation, on average, 74 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 86 degrees
Winter Low: the January low is 12
Rain: averages 13 inches of rain a year
Snow: averages 48 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Chouteau County is 6.9 (10=best), which means it is one of the most pleasant places in Montana.

8.9 Summer - 4.8 Winter

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

Climate	Chouteau, Montana	United States
	13.3 in.	38.1 in.
	48.4 in.	27.8 in.
	74.3 days	106.2 days
	185 days	205 days
	85.7°	85.8°
	12.0°	21.7°
	6.9	7
	3.9	4.3
	3234 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 Chouteau County with an average high temperature of 85.7°, which ranks it as warmer than most places in Montana. In Chouteau County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chouteau County are June, September and August.

In Chouteau County, there are 24.2 days annually when the high temperature is over 90°, which is hotter than most places in Montana.

January has the coldest nighttime temperatures for Chouteau County with an average of 12.0°. This is about average compared to other places in Montana.

In Chouteau County, there are 167.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Montana.

In Chouteau County, there are 22.9 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Montana.

Humidity is low in Chouteau County, and some people might find the dryness to be uncomfortable. Days with noticeable humidity are rare throughout the year. A very dry climate can lead to cracked, itchy skin and dry eyes.

June is the wettest month in Chouteau County with 2.4 inches of rain, and the driest month is February with 0.3 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 13.3 inches in Chouteau County means that it is drier than most places in Montana.

June is the rainiest month in Chouteau County with 10.0 days of rain, and February is the driest month with only 4.3 rainy days. There are 74.3 rainy days annually in Chouteau County, which is less rainy than most places in Montana. The rainiest season is Autumn when it rains 30% of the time and the driest is Spring with only a 19% chance of a rainy day.

An annual snowfall of 48.4 inches in Chouteau County means that it is snowier than most places in Montana. December is the snowiest month in Chouteau County with 8.8 inches of snow, and 8 months of the year have significant snowfall.

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