ocr: Weather in mountains The higher you are in the mountains, the lesser atmosphere pressure, the faster winds, and the colder ur you find. Air pressure on the summit of Everest drops down to 300 mbar, the speed of the wind rises to 320 km/h, and the temperature is about -70°C. Even if you take lower mountains, the winds encountered there are still much stronger than those in valleys. Many mountain peaks are always covered with snow and ice. The altitude at which the eternal snow is first encountered is called the snow line. The mountains form a natural barricr for winds and clouds, SO the air goe ...