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Climate in Wyoming

Wyoming, Wyoming gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Wyoming averages 56 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 222 sunny days per year in Wyoming. The US average is 205 sunny days.

Wyoming gets some kind of precipitation, on average, 76 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 85 degrees
Winter Low: the January low is 10
Rain: averages 13 inches of rain a year
Snow: averages 56 inches of snow a year


Wyoming's annual BestPlaces Comfort Index of 6.6 (10=best) indicates it is less comfortable than most states in the United States.

8.8 / 4.6

Summer   /   Winter
August, July and June are the most pleasant months in the state of Wyoming, while December and January are the least comfortable months.

Climate Averages
  Wyoming, WyomingUnited States
  13.3 in.38.1 in.
  56.3 in.27.8 in.
  76.0 days106.2 days
  222 days205 days
  6065 ft.2443 ft.


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 Wyoming with an average high temperature of 84.6°, which ranks it as about average compared to other states. In Wyoming, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Wyoming are June, August and September.

Wyoming has 17.5 days annually when the high temperature is over 90°, which is about average compared to other states in the U.S.

January has the coldest nighttime temperatures for Wyoming with an average of 9.5°. This is colder than most of the U.S. states.

Wyoming has 195.8 days annually when the nighttime low temperature falls below freezing, which is one of the coldest states in the U.S.

Wyoming averages 22.4 days annually when the nighttime low temperature falls below freezing, which is colder than most states in the U.S.

Humidity is low in the state of Wyoming, 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 Wyoming with 2.1 inches of rain, and the driest month is January with 0.6 inches. The wettest season is Summer with 33% of yearly precipitation and 14% occurs in Spring, which is the driest season. Wyoming's average annual rainfall of 13.3 inches indicates that it is one of the driest states in the United States.

May is the rainiest month in Wyoming with 9.1 days of rain, and February is the driest month with only 5.0 rainy days. Wyoming's annual average of 76.0 days with measurable rain is less rainy than most states in the United States. 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.

With an average annual snowfall of 56.3 inches, Wyoming is one of the snowiest states in the United States. December is the snowiest month in Wyoming with 9.7 inches of snow, and 9 months of the year have significant snowfall.

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Wyoming    11 Reviews
    No children specialists in this State - 3/19/2020
    I love in Riverton Wy. Nice place. But this in not the place to live if you have children that need any pediatric specialists.my Daughter is doing Chemo treatments and... Read More

    Start Your Review of Wyoming

    Beautiful state... depends on your situation - 10/5/2018
    If I was rich and retired or had the capability to work remotely I would consider Wyoming a choice place to live. As long as I had the capability to come and go as I... Read More

    Brown and empty. - 9/7/2017
    I've lived in Wyoming my entire life, (I'm 19) and I find it to be the type of place for a very specific kind of person, which I'm not. If you like camping, skiing,... Read More

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