What's on in Aspen, United States through the year
Aspen, United States has 12 curated events through the year — 3 festivals, 2 natural spectacles, 2 holidays, 1 season, 1 hazard season, 2 closures and 1 local rule. The ones to plan around: Aspen Music Festival (July) and Alpine wildflowers (July). January, February, March, June, September and December are its peak-crowd months.
Updated September 2026 · every event curated and sourced · dates for 2026 where they are announced, the usual window where they are not
Aspen events and crowds by month
| Month | What starts | Crowds |
|---|---|---|
| January | X Games Aspen | Peak crowds |
| February | Presidents' Day and spring break | Peak crowds |
| March | — | Peak crowds |
| April | Mud season | Shoulder season |
| May | Maroon Bells reservations | Shoulder season |
| June | Food & Wine Classic | Peak crowds |
| July | Aspen Music Festival, Alpine wildflowers, Afternoon monsoon storms | Busy |
| August | — | Busy |
| September | Aspens turning | Peak crowds |
| October | — | Busy |
| November | Independence Pass closed, Ski season | Busy |
| December | Christmas and New Year peak | Peak crowds |
January in Aspen
Aspen weather in January →Peak crowds — X Games Aspen, Christmas and New Year peak
- Festival
X Games Aspen
20 Jan – 1 Feb · usuallyMajor festivalCrowdedBook earlyButtermilk hosts the winter X Games over a long weekend in late January, free to spectators and hard on the town's beds. The other three mountains ski normally through it. Source ↗
Still on: Independence Pass closed (1 Nov – 21 May (usually)), Ski season (26 Nov – 18 Apr (usually)), Christmas and New Year peak (18 Dec – 4 Jan)
February in Aspen
Aspen weather in February →Peak crowds — X Games Aspen, Presidents' Day and spring break
- Holiday
Presidents' Day and spring break
12 Feb – 25 Mar · usuallySchool holidaysCrowdedBook earlyAmerican school breaks stack through late February and March and they land on the deepest base of the season. The snow is the best it gets; so are the lift queues and the rates. Source ↗
Still on: X Games Aspen (20 Jan – 1 Feb (usually)), Independence Pass closed (1 Nov – 21 May (usually)), Ski season (26 Nov – 18 Apr (usually))
March in Aspen
Aspen weather in March →Peak crowds — Presidents' Day and spring break, Spring break in United States
Nothing new starts in March.
Still on: Presidents' Day and spring break (12 Feb – 25 Mar (usually)), Independence Pass closed (1 Nov – 21 May (usually)), Ski season (26 Nov – 18 Apr (usually))
April in Aspen
Aspen weather in April →Shoulder season — an ordinary month
- Closure
Mud season
8 Apr – 20 May · usuallyThe offseason between closing day and the Maroon Bells opening: restaurants take their holiday, hotels close floors, and the trails are still under snow above 3,000 metres. Source ↗
Still on: Independence Pass closed (1 Nov – 21 May (usually)), Ski season (26 Nov – 18 Apr (usually))
May in Aspen
Aspen weather in May →Shoulder season — an ordinary month
- Rule
Maroon Bells reservations
15 May – 31 OctBook earlyMaroon Creek Road is reservation-only for the whole open season: a parking slot or a shuttle seat from Aspen Highlands, both booked in advance. Nothing about turning up unannounced works here. Source ↗
Still on: Mud season (8 Apr – 20 May (usually)), Independence Pass closed (1 Nov – 21 May (usually))
June in Aspen
Aspen weather in June →Peak crowds — Food & Wine Classic, Summer break in United States
- Festival
Food & Wine Classic
14–22 Jun · usuallyMajor festivalCrowdedBook earlyThree days of tastings and seminars in tents on the park in mid-June, and the weekend the summer season really starts. Room rates roughly double and the town books out months ahead. Source ↗
Still on: Maroon Bells reservations (15 May – 31 Oct)
July in Aspen
Aspen weather in July →Busy — Summer break in United States, school holidays in 2 of the markets that fill it
- Festival
Aspen Music Festival
1 Jul – 23 Aug · usuallyMajor festivalEight weeks of concerts under the tent at the Benedict Music Tent, hundreds of them free or cheap, with students practising in the open all over the west end. It runs July into late August. Source ↗
- Nature
Alpine wildflowers
1 Jul – 10 Aug · usuallyWildflowers & bloomsColumbine on the Cathedral Lake and Crater Lake trails from the first week of July, later and better the higher the trail starts. Afternoon storms are the reason people walk early here. Source ↗
- Hazard
Afternoon monsoon storms
5 Jul – 5 Sep · usuallyStorm seasonMidsummer pulls moisture up the Rockies and builds thunderheads over the peaks most afternoons. Above tree line the rule is simple: be off the ridge by noon. Source ↗
Still on: Maroon Bells reservations (15 May – 31 Oct)
August in Aspen
Aspen weather in August →Busy — Summer break in United States, school holidays in 2 of the markets that fill it
Nothing new starts in August.
Still on: Maroon Bells reservations (15 May – 31 Oct), Aspen Music Festival (1 Jul – 23 Aug (usually)), Alpine wildflowers (1 Jul – 10 Aug (usually)), Afternoon monsoon storms (5 Jul – 5 Sep (usually))
September in Aspen
Aspen weather in September →Peak crowds — Aspens turning, Summer break in United States
- Nature
Aspens turning
18 Sep – 8 Oct · usuallyAutumn colourCrowdedThe stands on Independence Pass and above Maroon Creek turn in the last week of September, and the Bells reservations for those days go the moment they open.
Still on: Maroon Bells reservations (15 May – 31 Oct), Afternoon monsoon storms (5 Jul – 5 Sep (usually))
October in Aspen
Aspen weather in October →Busy — Aspens turning
Nothing new starts in October.
Still on: Maroon Bells reservations (15 May – 31 Oct), Aspens turning (18 Sep – 8 Oct (usually))
November in Aspen
Aspen weather in November →Busy — Thanksgiving break in United States
- Closure
Independence Pass closed
1 Nov – 21 May · usuallyCO 82 over the pass shuts for the winter around the first serious storm in November and reopens the Thursday before Memorial Day. Until then the drive in from Denver goes the long way, via Glenwood Springs. Source ↗
- Season
Ski season
26 Nov – 18 Apr · usuallyBook earlyAspen Mountain and Snowmass open around Thanksgiving, Highlands and Buttermilk in December, and all four run to mid-April. Highland Bowl needs a settled base and opens when it opens. Source ↗
December in Aspen
Aspen weather in December →Peak crowds — Christmas and New Year peak, Winter / Christmas break in United States
- Holiday
Christmas and New Year peak
18 Dec – 4 JanChristmas & New YearCrowdedBook earlyThe dearest fortnight of the Aspen year. Lodging goes months ahead, the town runs at capacity, and the early-season snow is rarely as good as the prices suggest. Source ↗
Still on: Independence Pass closed (1 Nov – 21 May (usually)), Ski season (26 Nov – 18 Apr (usually))