Jackson Hole Wyoming Weather & Seasons

Decide what season to come to Wyoming by deciding on your favorite outdoor recreation and then learn all the particulars of the weather and climate for the season you’ll arrive.

• The heart of summer runs from July through August with average temperatures of 70 to 90 during the day
• Enjoy a colorful Indian Summer from October to November
• Winter months bring abundant snow from January through March, with temperatures in the single digits or below zero in the mountain elevations

Summer

Summer visitors to Wyoming will experience varied temperatures depending on the area they are visiting. On the average the 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.

In the summer, you can expect clouds to appear around noon and by mid-afternoon you may see scattered thundershowers. Some hail and wind will accompany them at times, particularly on the plains.

It’s best to visit the mountains in the summertime, where temperatures reach a pleasant average of 55 degrees in July.

Fall

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.

Winter

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 May. At the lower elevations this snow is usually light to moderate. There will be frequent periods when winds are gusty and reach up to 30 to 40 miles per hour with 50 or 60-mile-an-hour gusts.

Winter is the best time to visit Wyoming, especially if you enjoy winter sports. The crowds are fewer, giving you lots of elbowroom.

Spring

As the warm weather approaches, the flowers start to bloom, but early freezes are characteristic of late spring in Wyoming. Always have warm clothes and ensure you have blankets to sleep under at night.