Jackson Hole Wyoming Weather & Seasons


The busiest season in Jackson is the summer, particularly in July and August where visitors can enjoy temps between 70 and 90 degrees. September is still summery in temperature (besides cold nights), but is quieter. The fall months, October and November, are unpredictable. Sometimes it snows in mid-October and sometimes the snow doesn't arrive until December. Winter runs from December through mid-April. It snows frequently and temps can range from 0 to 30 degrees. Spring, from mid-April through May, is by far the most quiet season of the year. It's known as the mud season and many locals skip town for good reason.


Dates: June - August

Weather: Temperatures vary throughout the summer. On average summer nights are almost always cool, temperatures ranging in the 40s, but getting considerably chilly in mountain locations. Daytime temperatures recover drastically from 70 to 90 degrees Fahrenheit. You can expect clouds to appear around noon and by mid-afternoon you may see scattered thundershowers.

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Dates: September - October

Weather: Autumn in Wyoming is a delight. Many locations will see snow in mid-September, but it doesn’t get to be real winter until late November. During October and November you’ll discover a warm Indian Summer, with cool nights and beautiful changing colors. Early freezes in the fall are common.

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Dates: November - March

Weather: Winters in Wyoming are usually long and cold. January is usually the coldest month of the year. At this time, the minimum temperatures are between 5 and 10 degrees. There are some mild periods when it gets up to the 50s. It gets colder in the western valleys – usually 5 degrees below zero. Snow falls often from November through March. Winter is a great time to visit Wyoming if you enjoy winter sports.

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Dates: April - May


As the warm weather approaches, the flowers start to bloom, but early freezes and late winters are characteristic of spring in Wyoming. Always carry warm clothes and prepare for snow. Many locals leave during this time of year to escape the melt and you may find that businesses have limited hours.

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