What's on in Big Sky, United States through the year

Big Sky, United States has 6 curated events through the year — 2 festivals, 3 seasons and 1 seasonal opening. The ones to plan around: Music in the Mountains (June) and Yellowstone roads open (April). July is its peak-crowd month.

Updated September 2026 · every event curated and sourced · dates for 2026 where they are announced, the usual window where they are not

Best time to visit Big Sky: weather, crowds and notes →

Big Sky events and crowds by month

MonthWhat startsCrowds
JanuaryBusy
FebruaryBusy
MarchBusy
AprilYellowstone roads open, Spring mud seasonShoulder season
MayShoulder season
JuneMusic in the MountainsBusy
JulyBig Sky PBRPeak crowds
AugustBusy
SeptemberBusy
OctoberAutumn shoulderShoulder season
NovemberSki seasonBusy
DecemberBusy

Busy — Winter / Christmas break in United States, school holidays in 2 of the markets that fill it

Nothing new starts in January.

Still on: Ski season (25 Nov – 25 Apr (usually))

Busy — one of its best months for weather

Nothing new starts in February.

Still on: Ski season (25 Nov – 25 Apr (usually))

Busy — Spring break in United States

Nothing new starts in March.

Still on: Ski season (25 Nov – 25 Apr (usually))

Shoulder season — an ordinary month

  • Opening

    Yellowstone roads open

    15 Apr – 5 Nov · usuallyTrail seasonClosures

    The interior roads out of West Yellowstone are ploughed open in stages from mid-April and close again to cars in early November, after which it is snowcoach or nothing. Big Sky is an hour from that gate. Source ↗

  • Season

    Spring mud season

    20 Apr – 10 JunOff-season shutdownClosures

    Lifts stop, half the restaurants close, the trails are wet snow and the Yellowstone roads are still shut. Locals leave; the few who come get an empty valley at the cheapest rates of the year.

Still on: Ski season (25 Nov – 25 Apr (usually))

Shoulder season — an ordinary month

Nothing new starts in May.

Still on: Yellowstone roads open (15 Apr – 5 Nov (usually)), Spring mud season (20 Apr – 10 Jun)

Busy — Summer break in United States, school holidays in 2 of the markets that fill it

  • Festival

    Music in the Mountains

    1 Jun – 10 Sep · usuallyMajor festival

    Free Thursday-evening concerts in Town Center park from early June to the start of September. Bring a blanket and something warm; the temperature drops the moment the sun goes behind Lone Peak. Source ↗

Still on: Yellowstone roads open (15 Apr – 5 Nov (usually)), Spring mud season (20 Apr – 10 Jun)

Peak crowds — Big Sky PBR, Summer break in United States

  • Festival

    Big Sky PBR

    17–19 JulMajor festivalCrowdedBook early

    Three nights of professional bull riding in the events arena in the middle of July, and the busiest week of the Big Sky summer. Rooms in the valley go months ahead and the concerts run after the last ride. Source ↗

Still on: Yellowstone roads open (15 Apr – 5 Nov (usually)), Music in the Mountains (1 Jun – 10 Sep (usually))

Busy — Summer break in United States, school holidays in 2 of the markets that fill it

Nothing new starts in August.

Still on: Yellowstone roads open (15 Apr – 5 Nov (usually)), Music in the Mountains (1 Jun – 10 Sep (usually))

Busy — Summer break in United States

Nothing new starts in September.

Still on: Yellowstone roads open (15 Apr – 5 Nov (usually)), Music in the Mountains (1 Jun – 10 Sep (usually))

Shoulder season — an ordinary month

  • Season

    Autumn shoulder

    1 Oct – 20 NovOff-season shutdown

    The aspens turn, the elk bugle in the Gallatin canyon and the summer operations wind down before the snow arrives. Services thin out through October, so check what is open before driving up.

Still on: Yellowstone roads open (15 Apr – 5 Nov (usually))

Busy — Thanksgiving break in United States

  • Season

    Ski season

    25 Nov – 25 Apr · usuallyBook early

    Lifts usually turn from the week of American Thanksgiving to late April, with the Lone Peak tram the reason people come. February and the holiday weeks are the expensive ones; early December is the same mountain for half the money.

Still on: Yellowstone roads open (15 Apr – 5 Nov (usually)), Autumn shoulder (1 Oct – 20 Nov)

Busy — Winter / Christmas break in United States, school holidays in 2 of the markets that fill it

Nothing new starts in December.

Still on: Ski season (25 Nov – 25 Apr (usually))

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