For a successful holiday, nothing beats good weather conditions. Follow the forecast so you can organize your activities according to the announced weather. Avoid unpleasant surprises by adapting your program.
Warning: the weather changes very quickly in the mountains, the weather can get colder and thunderstorms break out unexpectedly. Plan clothes to cover you regardless of the forecasted weather. In summer as in winter, the sun is very strong at altitude. Always take sunscreen, sunglasses and a hat or cap.