What to Wear in Jackson Hole in June 2026
Jackson Hole in June is Hootenanny opens + Grand Teton Music Festival opens — 21°C / 70°F afternoons, 3°C / 37°F mornings, 10 rain days.
- Lightweight cotton + linen daytime — Cascade Canyon + Jenny Lake
- Hoka Speedgoat or Salomon Sense Ride trail shoe
- Stio cotton button-down + Mountain Khakis canvas
- Patagonia Houdini packable shell — afternoon-thunderstorm
- Mineral SPF 50 + wide-brim sun hat — UV index 11 at altitude
- Lightweight cashmere wrap — sunset drops 18°C / 33°F
- Heavy wool — daytime 21°C / 70°F
- Formal leather — Cascade Canyon trail dust + creek crossings
- Single-layer cotton at evening — sunset drops 18°C / 33°F
Jackson Hole in June runs Greater Yellowstone Hootenanny-opens + Grand-Teton-trail-opening-week + Grand-Teton-Music-Festival-opens. NOAA Jackson WY data put afternoon highs at 21°C / 70°F and overnight lows at 3°C / 37°F with 10 precipitation days; the heritage afternoon-thunderstorm pattern hits 14:00-17:00 daily. UV index 11 (extreme) by 11am at the 6,200 ft elevation. Local register: Stio (East Broadway — Stio Cobble Run cotton button-down + Stio Cottonwood overshirt), Mountain Khakis (Glenwood Street since 2003 — recognized Cobalt summer-weight cotton-canvas pant), Jackson Hole Hat Company (Cache Street custom-cowboy hatter), MADE (Roxanne Wilson's contemporary-craft), Jack Dennis Fly Shop (Cache Street since 1967 — recognized Snake River fly-fishing anchor), Skinny Skis (East Broadway outdoor-and-trail). Heritage anchors: Grand Teton National Park (1929 establishment, Jenny Lake boat-shuttle since 1929, Mt. Moran 12,605 ft / 3,842 m anchor of the Cathedral Group), Hootenanny at Dornan's (Mondays at Moose, 60-year-old open-mic), Snake River fly-fishing (cutthroat-trout fishery), Town Square arches since 1953, Snake River Float (multiple operators below Snake River Dam at Moose). Festivals: Hootenanny at Dornan's (Mondays June through early September), the heritage Grand Teton Music Festival (1962-founded classical-music summer festival at Walk Festival Hall in Teton Village, opens late June through early August). Skip heavy wool — daytime 21°C / 70°F.
Jackson Hole June is Cascade Canyon at 7am, Jenny Lake boat shuttle by 11, Hootenanny at Dornan's Monday by 19, Grand Teton Music Festival at Walk Festival Hall by 20. Lightweight cotton + Hoka Speedgoat + Patagonia Houdini + cashmere wrap.
The capsule
- Lightweight cotton midi sundress + lightweight cardigan — NOAA Jackson WY logs 21°C / 70°F afternoons in June with the heritage afternoon-thunderstorm pattern. Cotton midi (Doen, Faherty, Réalisation Par) in oat, sand, sage, or ivory. Lightweight cardigan layers for the post-thunderstorm chill.
- Stio Cobble Run cotton button-down + Mountain Khakis Cobalt cotton-canvas pant — Stio (the heritage 2012 Jackson-founded technical-mountain-and-town outerwear) Cobble Run cotton button-down in oat, navy, or sage + Mountain Khakis Cobalt summer-weight cotton-canvas pant in walnut or sand reads correct at the heritage Snake River Brewing wood-deck + Hand Fire Pizza + Persephone Bakery.
- Hoka Speedgoat 5 or Salomon Sense Ride 5 trail shoe — Jackson Hole daytime hike obligation: Cascade Canyon (4.5-mile in-and-back from Jenny Lake boat-shuttle), Lake Solitude (8.6-mile out-and-back), Hidden Falls (0.5-mile from boat-shuttle dock), Phelps Lake (5-mile loop). Hoka Speedgoat (5mm-lug Vibram Megagrip) or Salomon Sense Ride 5.
- Patagonia Houdini packable shell or Arc'teryx Squamish Hoody — Teton Range orographic-lift afternoon-thunderstorm pattern hits 14:00-17:00 daily — Cascade Canyon + Lake Solitude + Death Canyon summit lightning-strike hazard. Patagonia Houdini (3.7 oz nylon ripstop). Skip umbrellas — wind on Cascade Canyon ridge inverts.
- Loro Piana cashmere wrap + Hermès silk scarf — for evening — The heritage Hootenanny at Dornan's drops 18°C / 33°F at sunset — 19:00 first-set start meets 22:30 final set at 4°C / 39°F. Loro Piana cashmere wrap (Quarona Piemonte 1924) or Brunello Cucinelli alpaca shawl over the cotton midi.
- Mineral SPF 50 + wide-brim straw hat — UV index 11 (extreme) by 11am at 6,200 ft elevation. Alpine-tundra reflectance at Cascade Canyon + Lake Solitude doubles UV exposure to UV 18 equivalent. Mineral SPF 50 mandated at Phelps Lake + Jenny Lake swimming holes per Grand Teton NPS guidance. Wide-brim straw hat (Stetson Open Road silver-belly straw at Jackson Hole Hat Co.) brim 4 inches minimum.
- Stio Hometown Down vest + lightweight wool gloves — The heritage 6am Jenny Lake or Cascade Canyon sunrise overlook reads 3°C / 37°F at altitude even in June. Stio Hometown Down vest (Stio's 700-fill responsibly-sourced down) layers under the rain shell + over the cotton button-down. Lightweight wool gloves + Smartwool merino buff.
- Crossbody bag + 2L water + cash USD + bear spray + binoculars — Jackson Hole June walking demands hands-free for Town Square + the heritage Saturday Farmers' Market on Town Square (June-September) + Snake River Float dock at Moose. Bear spray (Counter Assault or UDAP, $50 at Jack Dennis Outdoor Shop) — National Park Service requires 'bear spray' specifically per the heritage 2008 Yellowstone-Grand Teton guidance. Binoculars (Leica or Swarovski 8x42 or 10x42).
Day to night
Stio Cobble Run cotton button-down + Mountain Khakis Cobalt canvas + Hoka Speedgoat 5 · Stetson Open Road straw hat · Persol polarized · Patagonia Houdini packable shell + Stio Hometown Down vest · 2L water bottle + bear spray + binoculars + daypack. Cascade Canyon trailhead at Jenny Lake boat-shuttle 7:00am, Inspiration Point 9:30, Hidden Falls return 13:00, Persephone Bakery lunch 14:00.
Cotton midi or Stio cotton button-down + Mountain Khakis canvas · Loro Piana cashmere wrap · leather sandals or block heel · cotton silk scarf · crossbody. Snake River Brewing wood-deck 17:00, Hand Fire Pizza dinner 18:30, Hootenanny at Dornan's 19:00 (open-mic finale 22:30, 25-min drive Wilson-to-Moose), Walk Festival Hall Grand Teton Music Festival concert 20:00 alternative.
What to avoid
- Heavy wool — daytime 21°C / 70°F at altitude
- Formal leather — Cascade Canyon trail dust + creek crossings
- Umbrellas — wind on Cathedral Group passes inverts
- Non-mineral sunscreens — Phelps + Jenny Lake watershed
- Single-layer cotton at Hootenanny — sunset drops 18°C
- Hikes without bear spray — NPS-required Yellowstone-Grand Teton
Frequently asked questions
Per NOAA Jackson WY data: average daily high 21°C (70°F), low 3°C (37°F), 10 precipitation days (the heritage afternoon-thunderstorm pattern hits 14:00-17:00 daily). UV index 11 (extreme) by 11am at the 6,200 ft elevation. Daylight 15h 50m (peak summer solstice). The 18°C / 33°F diurnal swing means morning Cascade Canyon trail 7:00am reads 3°C / 37°F + afternoon Town Square walking reads 21°C / 70°F + evening Hootenanny at Dornan's reads 4-6°C / 39-43°F by 22:30.
The heritage Hootenanny at Dornan's is the heritage 60-year-old Jackson-Wilson-Moose-corridor Monday-night open-mic at the heritage Dornan's open-air deck overlooking the Snake River + the Cathedral Group of the Grand Teton (Moose, 13 miles north of Jackson — the heritage 1948 Dornan's family-owned restaurant + bar + RV park complex at Moose Junction inside Grand Teton National Park). Mondays 7-10pm June through early September (verify at dornans.com). Free admission. The heritage open-mic register: anyone can sign up. Pack: cotton midi or Stio cotton button-down + Mountain Khakis canvas + Loro Piana cashmere wrap + leather sandal — sunset drops 18°C / 33°F by the 22:30 finale. Order the heritage Dornan's Pizza + a Snake River Lager. The heritage 25-minute drive from Jackson Town Square to Moose via Highway 191 + Moose Junction.
The Grand Teton Music Festival is the heritage 1962-founded classical-music summer festival at the heritage Walk Festival Hall in Teton Village (the heritage Sir Donald Runnicles music director since 2006 — the recognized 'Grand Teton Music Festival Orchestra' summer-residency programming). The recognized programming: Walk Festival Hall (1,000-seat acoustic-and-architectural anchor at Teton Village) hosts GTMF Orchestra + chamber programming Tuesday-Saturday late June through early August. The heritage 2026 GTMF runs late June through early August (verify at gtmf.org). Cost: $30-150 per person; book 30 days ahead. Pack: lightweight wool blazer + Brunello Cucinelli cashmere knit + Mountain Khakis canvas + R.M. Williams or Frye Carson + Loro Piana cashmere wrap + Hermès silk scarf + crossbody.
Jenny Lake + Hidden Falls (the heritage 0.5-mile from the heritage 1929 boat-shuttle dock); Inspiration Point (the heritage 1-mile climb from Hidden Falls); Cascade Canyon (the heritage 4.5-mile out-and-back from Inspiration Point — the recognized Grand Teton-day-hike anchor); Lake Solitude (the heritage 8.6-mile out-and-back to alpine cirque-lake at 9,035 ft); Phelps Lake loop (5-mile loop from the heritage Laurance S. Rockefeller Preserve). Some higher-elevation trails (Death Canyon, Paintbrush Divide, Surprise Lake-Amphitheater Lake, Static Peak Divide) still snow-bound through mid-June. Pack: Hoka Speedgoat 5 + Stio Cobble Run + Mountain Khakis Cobalt canvas + bear spray + Patagonia Houdini packable shell + 2L water + mineral SPF 50.
The heritage Snake River Brewing (East Broadway since 1994); the heritage Million Dollar Cowboy Bar (Cache Street since 1937); the heritage Persephone Bakery (East Broadway French-bakery + breakfast); the heritage Hand Fire Pizza (Glenwood Street); the heritage Glorietta (East Broadway contemporary-Italian, since 2018); the heritage The Kitchen (East Broadway contemporary American); the heritage Bin 22 (East Broadway wine-bar + small-plates); the heritage Local Restaurant + Bar (East Broadway Wyoming-farm-to-table); the heritage Mangy Moose (Teton Village base since 1967); the heritage Dornan's at Moose (since 1948 — the heritage Hootenanny Mondays + the heritage Dornan's Wine Shoppe); the heritage Jenny Lake Lodge dining room (the heritage 1924 lodge inside Grand Teton National Park — the heritage 6-course tasting menu, jacket required). Pack: cotton midi or Stio cotton button-down + Mountain Khakis canvas + Loro Piana cashmere wrap + leather sandal or block heel for evening; cotton button-down + cotton chino + Hoka Speedgoat for daytime.
