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Wyoming Weather

Wyoming is the second highest state in the United States, and because of that elevation, conditions are normally on the dry side.

Some areas of Wyoming receive only 5 inches of annual rainfall, while in the mountains, especially the Grand Tetons, 60 or more inches per year are common.

Overall, throughout the state, mild springs are followed by warm (sometimes hot) summers, with cool morning lows.

Fall brings occasional snow and cool temperatures, especially in the mountain canyons and higher elevations. Winter can be very cold with heavy snow in the mountains.

The statewide average high temperature in July is just over 60 degrees, while in January, a 20 degree high is the average.

For an interesting look at Wyoming precipitation, especially in the higher mountain elevations of the Grand Tetons, view this topographic map!

Current Weather Conditions:

In these selected cities....

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Seasonal Temperature Averages:


HIGH TEMPERATURES ( Fahrenheit/Celsius )

(Jan) 38/3 (Feb) 39/4 (Mar) 42/5 (Apr) 50/10

(May) 59/15 (Jun) 71/22 (Jul) 80/27 (Aug) 82/28

(Sep) 78/25 (Oct) 66/19 (Nov) 50/10 (Dec) 40/4

LOW TEMPERATURES ( Fahrenheit/Celsius )

(Jan) 17/-8 (Feb) 18/-7 (Mar) 20/-6 (Apr) 25/-4

(May) 33/0 (Jun) 42/15 (Jul) 52/11 (Aug) 54/12

(Sep) 49/9 (Oct) 39/4 (Nov) 37/-3 (Dec) 19/-7

Wyoming Photographs

Snowy River and Winter Landscape, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, U

A snowy river in Yellowstone...
Kimberly Walker
Buy This at Allposters.com

Wyoming Cities, Counties & Area Codes

City County Area Code
Laramie Albany 307
Lovell Big Horn 307
Gillette Campbell 307
Rawlins Carbon 307
Douglas Converse 307
Moorcroft Crook 307
Riverton Fremont 307
Torrington Goshen 307
Thermopolis Hot Springs 307
Buffalo Johnson 307
Cheyenne Laramie 307
Afton Lincoln 307
Casper Natrona 307
Lusk Niobrara 307
Cody Park 307
Wheatland Platte 307
Sheridan Sheridan 307
Pinedale Sublette 307
Rock Springs Sweetwater 307
Jackson Teton 307
Evanston Uinta 307
Worland Washakie 307
Newcastle Weston 307

About the Author

John Moen is a cartographer who along with his wife are the orignal founders of worldatlas.com. He and his wife, Chris Woolwine-Moen, produced thousands of award-winning maps that are used all over the world and content that aids students, teachers, travelers and parents with their geography and map questions. Today, it's one of the most popular educational sites on the web.

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This page was last updated on July 10, 2020.