Climate in Cheyenne, Wyoming

Cheyenne, Wyoming has a semi-arid continental climate. Winters are typically cold and dry with temperatures averaging around 27°F (-3°C). Snowfall usually starts in November and continues through March. Summers are generally warm with temperatures in the high 70s and plenty of sunshine. June is usually the wettest month while August tends to be the driest. Thunderstorms occur frequently during the warmer months and can produce hail, strong winds, and occasionally tornadoes.

Cheyenne, Wyoming gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Cheyenne averages 58 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 236 sunny days per year in Cheyenne. The US average is 205 sunny days.

Cheyenne gets some kind of precipitation, on average, 92 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.

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Weather Highlights

Summer High: the July high is around 84 degrees
Winter Low: the January low is 16
Rain: averages 17 inches of rain a year
Snow: averages 58 inches of snow a year

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BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Cheyenne is 6.8 (10=best), which means it is more comfortable than most places in Wyoming.

August, July and June are the most pleasant months in Cheyenne, while December and February are the least comfortable months.

July is the hottest month for Cheyenne with an average high temperature of 84.2°, which ranks it as cooler than most places in Wyoming. In Cheyenne, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Cheyenne are June, August and September.

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In Cheyenne, there are 14.0 days annually when the high temperature is over 90°, which is about average compared to other places in Wyoming.

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December has the coldest nighttime temperatures for Cheyenne with an average of 15.8°. This is one of the warmest places in Wyoming.

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In Cheyenne, there are 173.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Wyoming.

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In Cheyenne, there are 8.6 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Wyoming.

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Humidity is low in Cheyenne, 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.

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June is the wettest month in Cheyenne with 2.5 inches of rain, and the driest month is January with 0.3 inches. The wettest season is Autumn with 41% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 16.5 inches in Cheyenne means that it is wetter than most places in Wyoming.

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May is the rainiest month in Cheyenne with 11.2 days of rain, and January is the driest month with only 4.2 rainy days. There are 91.9 rainy days annually in Cheyenne, which is rainier than most places in Wyoming. The rainiest season is Autumn when it rains 33% of the time and the driest is Spring with only a 16% chance of a rainy day.

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An annual snowfall of 58.3 inches in Cheyenne means that it is snowier than most places in Wyoming. March is the snowiest month in Cheyenne with 11.0 inches of snow, and 9 months of the year have significant snowfall.

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