Big Horn County, MT Climate

Big Horn County, Montana is known for its dry climate with relatively low humidity. The average annual temperature of the county is 48 degrees Fahrenheit and can range from lows in the teens to highs in the upper 90s during the summer months. Winters are known to be cold and dry with occasional snowfall that can last up to several days. Throughout the year, Big Horn County gets an average of 13 inches of precipitation from both rain and snowfall. The semi-arid climate makes it a great place for residents to enjoy outdoor activities such as hiking, camping, fishing, and hunting all year long without having to worry too much about adverse weather conditions.

Big Horn County, Montana gets 14 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Big Horn County averages 45 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 206 sunny days per year in Big Horn County. The US average is 205 sunny days.

Big Horn County gets some kind of precipitation, on average, 77 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 88 degrees
Winter Low: the January low is 12
Rain: averages 14 inches of rain a year
Snow: averages 45 inches of snow a year

Bestplaces Comfort Index

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

8.6 Summer - 5 Winter

June, September and August are the most pleasant months in Big Horn County, while December and January are the least comfortable months.

Climate	Big Horn, Montana	United States
	Unlock	38.1 in.
	44.9 in.	Unlock
	Unlock	106.2 days
	206 days	Unlock
	88.4°	85.8°
	Unlock	21.7°
	6.9	Unlock
	Unlock	4.3
	3986 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 Big Horn County with an average high temperature of 88.4°, which ranks it as one of the hottest places in Montana. In Big Horn County, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Big Horn County are June, September and May.

In Big Horn County, there are 35.4 days annually when the high temperature is over 90°, which is one of the hottest places in Montana.

December has the coldest nighttime temperatures for Big Horn County with an average of 11.5°. This is about average compared to other places in Montana.

In Big Horn County, there are 175.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Montana.

In Big Horn County, there are 19.7 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Montana.

Humidity is low in Big Horn 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.

May is the wettest month in Big Horn County with 2.4 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Summer with 34% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 14.2 inches in Big Horn County means that it is about average compared to other places in Montana.

May is the rainiest month in Big Horn County with 9.3 days of rain, and February is the driest month with only 4.7 rainy days. There are 76.5 rainy days annually in Big Horn County, which is less rainy than most places in Montana. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 20% chance of a rainy day.

An annual snowfall of 44.9 inches in Big Horn County means that it is about average compared to other places in Montana. March is the snowiest month in Big Horn County with 8.1 inches of snow, and 9 months of the year have significant snowfall.

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