Season guide · Chamonix · France
Chamonix in summer
June–August: weather, crowds, prices and the best things to do this time of year.
Updated By the AMZBooking editorial team
Photo: Garrondo, CC BY-SA 3.0
Quick answer
All lifts and trails open, long days and warm valley weather; afternoon storms are common, and July and August are crowded and expensive. Expect highs up to 23°C (73°F) and lows around 8°C (46°F), with about 34 rainy days across June–August. July–August are among the best months of the year to visit.
Key facts
- Months
- June–August
- Temperatures
- 8°C (46°F) to 23°C (73°F)
- Rainy days in the season
- About 34
- Crowds
- Busy
- Hotel prices
- High
Weather in summer
| Month | High | Low | Rainy days | Daylight | Crowds |
|---|---|---|---|---|---|
| June | 20°C (68°F) | 8°C (46°F) | 12 | 15.7 h | 3/5 |
| July | 23°C (73°F) | 10°C (50°F) | 11 | 15.4 h | 5/5 |
| August | 22°C (72°F) | 9°C (48°F) | 11 | 14.1 h | 5/5 |
Compared with the rest of the year: average highs of 22°C (72°F) against a yearly 12°C (54°F), and 34 of the year's roughly 128 rainy days fall in these 3 months. Crowds rate 4/5 and hotel prices 4/5 on average.
What's on in summer
Recurring events; dates move from year to year, so confirm with the organiser.
- June: Marathon du Mont-Blanc — mountain running races (usually late June)
- July: Cosmojazz — free mountain jazz concerts (usually July)
- July: Bastille Day fireworks (14 July)
- August: Fête des Guides — mountain guides' festival (usually around 15 August)
- August: Ultra-Trail du Mont-Blanc (UTMB) week (usually late August to early September)
Good choices for summer
Religious site · Chamonix centre
Église Saint-Michel
Photograph the bell tower from the bridge over the Arve with the Aiguilles behind it.
- Time needed
- 20 minutes
- Cost
- Free
- Free
- Architecture
- History
- Rainy day
Day trips in summer
- Annecy (About 1 hour 15 minutes by car) — Annecy's old town of canals, arcades and the Palais de l'Île sits at the end of one of Europe's cleanest lakes.
- Geneva (About 1 hour 15 minutes by car or shuttle) — The lakeside city has the Jet d'Eau fountain, the old town around St Pierre Cathedral, the Palais des Nations and CERN, and makes an easy stop on the way to or from the airport.
What to pack
- Light layers for the day and a light jacket for the evening
- A compact umbrella and waterproof shoes — rain is frequent
- Comfortable walking shoes
Other times of year
Questions travellers ask
+Is summer a good time to visit Chamonix?
Yes: July–August are among the best months. All lifts and trails open, long days and warm valley weather; afternoon storms are common, and July and August are crowded and expensive.
+What is the weather like in Chamonix in summer?
Highs of up to 23°C (73°F) and lows around 8°C (46°F), with about 34 rainy days over the season.