Explanation:

 Climatically Himachal Pradesh can be divided into three zones (I) The outer Himalayas, (ii) The Inner Himalayas and (iii) Alpine zone. The first zone gets annual rainfall between 150 cms and 175 cms. In second it varies between 75 cms to 100 cms and the Alpine zone remains under snow for about five to six months. The average annual rainfall in the State is about 160 cms. The climate varies between hot and a humid in the valley areas to freezing cold in the home of perpetual snow.