Chamonix weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Good
Best time to visit: June – September
Best for skiing: December – March
What is the weather like in Chamonix in July?
In July, Chamonix is warm: daytime highs average 21 °C, and nights cool down to about 12 °C. The sun shines for around 8 hours a day. It rains often – on about 15 days, adding up to 150 mm. All in all, July is a good month for a holiday in Chamonix.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 15 h 25 min05:56 – 21:21
- UV index
- 9 · very highclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 9 km/haverage daily peak
- Cloud cover
- 51 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Paris
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %75 %
- Few rainy daysweight 30 %19 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.
What to pack in July
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Chamonix in July: quick answers
Is Chamonix hot in July?
Warm rather than hot: in July, daytime highs in Chamonix average 21 °C and nights cool to about 12 °C.
Does it rain much in Chamonix in July?
It rains often – on about 15 days, adding up to 150 mm.
Chamonix month by month
The whole year in ChamonixAll destinations: France
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)