Things to Do in Jackson in May
May weather, activities, events & insider tips
May Weather in Jackson
Is May Right for You?
Advantages
- Shoulder season pricing kicks in during May, meaning you'll find accommodation rates typically 20-30% lower than peak summer months. Hotels that usually run $200-300 per night drop to $140-220, and you actually have negotiating power.
- The town transitions into its quieter rhythm after spring crowds clear out but before summer tourists arrive. You can get same-day reservations at popular restaurants, and the Snake River trails feel genuinely peaceful rather than like a conga line.
- May weather in Jackson sits in that sweet spot where you get proper spring conditions in the valley (wildflowers, green landscapes) while the high country still holds enough snow for late-season skiing at Jackson Hole Mountain Resort, which typically stays open through Memorial Day weekend.
- Wildlife viewing hits its stride in May as elk calving season peaks in the National Elk Refuge, moose are actively feeding in willow thickets, and bear activity increases as they emerge from dens. You'll spot animals without the summer vegetation that later obscures them.
Considerations
- Weather unpredictability is real in May - you might wake up to 10°C (50°F) and rain, then see it shift to 21°C (70°F) and sunny by afternoon, or occasionally get a surprise late-season snowstorm. Pack for four seasons because you'll likely experience three of them.
- Mud season affects many high-elevation trails, particularly those above 2,440 m (8,000 ft). Popular routes like Death Canyon and Paintbrush Canyon often remain snowpacked or boggy until late May, limiting your hiking options to lower-elevation trails.
- Some seasonal businesses haven't fully opened yet - certain rafting companies, bike rental shops, and tour operators run limited schedules in early May, ramping up to full operations only by Memorial Day weekend. You'll need to call ahead rather than just showing up.
Best Activities in May
Grand Teton National Park Lower-Elevation Hiking
May is actually ideal for valley trails like Phelps Lake, Taggart Lake, and the Jenny Lake shoreline loop. These routes sit below 2,135 m (7,000 ft) so they're typically snow-free by early May, and you'll hike through wildflower blooms without the July heat or August crowds. The aspens are just leafing out, creating that fresh green backdrop, and morning temperatures around 7-10°C (45-50°F) make for comfortable hiking conditions. Wildlife is active but vegetation is still low, giving you clear sightlines for spotting moose and bears.
Snake River Scenic Float Trips
May offers something you won't get later in summer - higher water flows from snowmelt make the Snake River move with actual energy, and the Teton views are spectacular with snow still coating the peaks. The cottonwoods along the riverbanks show that brilliant spring green, and you'll spot bald eagles, osprey, and river otters more easily than in crowded July. Water temperature is cold, around 7-10°C (45-50°F), but you're in a raft staying dry, and outfitters provide layers. Morning trips around 9-10am tend to have the best light and calmest conditions.
National Elk Refuge Wildlife Tours
May is calving season on the refuge, meaning you'll see newborn elk alongside their mothers in the valley grasslands. The refuge transitions from its winter feeding program to natural grazing, and roughly 2,000-3,000 elk are still present before they migrate higher for summer. You'll also spot pronghorn, bison, and a surprising number of bird species. The 70% humidity actually works in your favor here since mornings tend to be clearer than the hazy summer months, giving you better photography conditions with the Tetons as backdrop.
Town Square and Local Gallery Walks
When May weather turns rainy or you need a break from outdoor intensity, Jackson's downtown gallery scene is genuinely worth your time. The town has evolved beyond tourist kitsch into a legitimate Western art hub, with 30-plus galleries showing everything from traditional wildlife bronzes to contemporary landscape photography. May is actually a smart time to browse since galleries aren't packed with summer crowds, and staff actually have time to talk with you. The iconic antler arches in Town Square make for that classic Jackson photo op, and you can hit 8-10 galleries in a 2-hour walk.
Late-Season Skiing at Jackson Hole Mountain Resort
Jackson Hole typically stays open through Memorial Day weekend, and May skiing offers a completely different vibe than winter. You're skiing in a t-shirt by afternoon when temperatures hit 15-18°C (59-64°F), the snow softens into perfect corn snow by 11am, and lift lines are nonexistent. The resort operates limited terrain - usually just the Bridger Gondola and a few chairs accessing upper-mountain runs - but you get 1,200-1,500 m (4,000-5,000 ft) of vertical with spectacular spring views. Snow quality varies day to day, so check the snow report before committing.
Bridger-Teton National Forest Mountain Biking
May is when lower-elevation singletrack in the national forest dries out enough to ride without destroying trails. Routes like Cache Creek, Putt-Putt, and Game Creek offer 8-24 km (5-15 mile) loops through sage and aspen terrain with consistent climbing that rewards you with Teton views. You'll ride in cool morning temperatures around 10-13°C (50-55°F) that feel perfect for cardio efforts, and trails are empty compared to summer. That said, higher trails like Phillips Canyon stay too muddy until June, so stick to valley routes.
May Events & Festivals
Old West Days
This Memorial Day weekend event (late May) celebrates Jackson's Western heritage with a parade, rodeo, cowboy poetry, shootout reenactments in Town Square, and a mountain man rendezvous. It's touristy, sure, but locals actually participate and it gives you a concentrated dose of Wyoming culture. The rodeo events are legitimate - these are working cowboys, not performers - and the atmosphere feels more authentic than you'd expect.
ElkFest
Usually held on the third Saturday in May on the Town Square, ElkFest marks the end of antler auction season with live music, elk-related exhibits, and family activities. The main draw is the Boy Scout Antler Auction where naturally-shed elk antlers collected from the National Elk Refuge are sold to raise funds. It's a uniquely Jackson event that ties into the town's wildlife heritage, and you'll see antler buyers from across the country bidding on premium sets.