Big Horn County, WY Climate

Big Horn, WY County has a semi-arid climate. The summers are typically warm and dry, with temperatures ranging between 70 and 90 degrees Fahrenheit. Winters are cold, but not overly so, with temperatures dipping below freezing regularly. The area receives about ten inches of precipitation annually, most of it during the spring and summer months. Snowfall is light and infrequent, though winter storms can cause significant snow accumulations in the higher elevations of the county. Big Horn enjoys abundant sunshine year round, making it a great place to spend time outdoors!

Big Horn County, Wyoming gets 7 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Big Horn County averages 18 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, 48 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 6
Rain: averages 7 inches of rain a year
Snow: averages 18 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Big Horn County is 7.0 (10=best), which means it is one of the most pleasant places in Wyoming.

8.8 Summer - 4.9 Winter

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

Climate	Big Horn, Wyoming	United States
	7.2 in.	38.1 in.
	17.5 in.	27.8 in.
	48.4 days	106.2 days
	206 days	205 days
	88.2°	85.8°
	5.7°	21.7°
	7	7
	3.6	4.3
	5412 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 Big Horn County with an average high temperature of 88.2°, which ranks it as warmer than most places in Wyoming. 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 31.7 days annually when the high temperature is over 90°, which is one of the hottest places in Wyoming.

January has the coldest nighttime temperatures for Big Horn County with an average of 5.7°. This is colder than most places in Wyoming.

In Big Horn County, there are 182.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Wyoming.

In Big Horn County, there are 23.3 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Wyoming.

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 1.4 inches of rain, and the driest month is January with 0.2 inches. The wettest season is Summer with 34% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 7.2 inches in Big Horn County means that it is one of the driest places in Wyoming.

June is the rainiest month in Big Horn County with 6.8 days of rain, and February is the driest month with only 2.3 rainy days. There are 48.4 rainy days annually in Big Horn County, which is one of the least rainy places in Wyoming. The rainiest season is Autumn when it rains 31% of the time and the driest is Spring with only a 16% chance of a rainy day.

An annual snowfall of 17.5 inches in Big Horn County means that it is one of the least snowy places in Wyoming. December is the snowiest month in Big Horn County with 4.0 inches of snow, and 8 months of the year have significant snowfall.

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