What's on in Chamonix (Mont Blanc), France through the year
Chamonix, France has 8 curated events through the year — 2 festivals, 1 season, 2 seasonal openings and 3 closures. The ones to plan around: Fete des Guides (August) and High mountain huts open (June). August 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 Chamonix (Mont Blanc): weather, crowds and notes →
Chamonix (Mont Blanc) events and crowds by month
| Month | What starts | Crowds |
|---|---|---|
| January | — | Busy |
| February | — | Busy |
| March | — | Busy |
| April | Lifts close for spring | Busy |
| May | — | Busy |
| June | High mountain huts open | Quiet |
| July | — | Busy |
| August | Fete des Guides, UTMB | Peak crowds |
| September | Autumn lift shutdown | Shoulder season |
| October | — | Busy |
| November | Aiguille du Midi maintenance | Busy |
| December | Lifts open for winter, Ski season | Busy |
January in Chamonix (Mont Blanc)
Chamonix (Mont Blanc) weather in January →Busy — Christmas holidays in France, school holidays in 6 of the markets that fill it
Nothing new starts in January.
Still on: Ski season (18 Dec – 15 Apr (usually))
February in Chamonix (Mont Blanc)
Chamonix (Mont Blanc) weather in February →Busy — Winter (February) holidays in France, school holidays in 2 of the markets that fill it
Nothing new starts in February.
Still on: Ski season (18 Dec – 15 Apr (usually))
March in Chamonix (Mont Blanc)
Chamonix (Mont Blanc) weather in March →Busy — Winter (February) holidays in France, school holidays in 3 of the markets that fill it
Nothing new starts in March.
Still on: Ski season (18 Dec – 15 Apr (usually))
April in Chamonix (Mont Blanc)
Chamonix (Mont Blanc) weather in April →Busy — Spring holidays in France, school holidays in 5 of the markets that fill it
- Closure
Lifts close for spring
10 Apr – 5 May · usuallyThe ski areas shut through the second half of April and the valley goes quiet again until the summer lifts start in June. Source ↗
Still on: Ski season (18 Dec – 15 Apr (usually))
May in Chamonix (Mont Blanc)
Chamonix (Mont Blanc) weather in May →Busy — Spring holidays in France, school holidays in 3 of the markets that fill it
Nothing new starts in May.
Still on: Lifts close for spring (10 Apr – 5 May (usually))
June in Chamonix (Mont Blanc)
Chamonix (Mont Blanc) weather in June →Quiet — school holidays in 4 of the markets that fill it, one of its worst months for weather
- Opening
High mountain huts open
15 Jun – 20 Sep · usuallyTrail seasonBook earlyThe staffed refuges on the Tour du Mont Blanc and the Argentiere basin run for about three months and book out for July and August months ahead. Source ↗
July in Chamonix (Mont Blanc)
Chamonix (Mont Blanc) weather in July →Busy — Summer holidays in France, school holidays in 6 of the markets that fill it
Nothing new starts in July.
Still on: High mountain huts open (15 Jun – 20 Sep (usually))
August in Chamonix (Mont Blanc)
Chamonix (Mont Blanc) weather in August →Peak crowds — UTMB, Summer holidays in France
- Festival
Fete des Guides
13–16 Aug · usuallyMajor festivalThe valley's guides parade and are blessed around 15 August, a working ceremony rather than a show, with fireworks off the Brevent side afterwards. Source ↗
- Festival
UTMB
24–30 AugMajor festivalCrowdedBook earlyA week of trail races ending in a 174km lap of the Mont Blanc massif. The town is full, the trails are busy at night and beds are gone a year out. Source ↗
Still on: High mountain huts open (15 Jun – 20 Sep (usually))
September in Chamonix (Mont Blanc)
Chamonix (Mont Blanc) weather in September →Shoulder season — school holidays in 3 of the markets that fill it, an ordinary month
- Closure
Autumn lift shutdown
20 Sep – 31 Oct · usuallyThe summer lifts close in stages from late September, which leaves the high paths under new snow and the valley floor as the only walking. Source ↗
Still on: High mountain huts open (15 Jun – 20 Sep (usually))
October in Chamonix (Mont Blanc)
Chamonix (Mont Blanc) weather in October →Busy — All Saints (autumn) holidays in France, school holidays in 3 of the markets that fill it
Nothing new starts in October.
Still on: Autumn lift shutdown (20 Sep – 31 Oct (usually))
November in Chamonix (Mont Blanc)
Chamonix (Mont Blanc) weather in November →Busy — All Saints (autumn) holidays in France
- Closure
Aiguille du Midi maintenance
2 Nov – 18 DecThe cable car to 3,842 metres shuts for its annual overhaul for about six weeks in November and early December, which removes the valley's main attraction. Source ↗
December in Chamonix (Mont Blanc)
Chamonix (Mont Blanc) weather in December →Busy — Christmas holidays in France, school holidays in 6 of the markets that fill it
- Opening
Lifts open for winter
5–22 Dec · usuallySki seasonThe valley opens in stages through December: Grands Montets first at weekends, the whole resort and the Aiguille du Midi from around the 20th. Source ↗
- Season
Ski season
18 Dec – 15 Apr · usuallyFive separate areas up the valley, open roughly mid-December to mid-April, with the off-piste and the Vallee Blanche the reason people come rather than the pistes.
Still on: Aiguille du Midi maintenance (2 Nov – 18 Dec)