It belongs to the sub-tropical climate of Central Asia. Splendid mountains and luxuriant trees help form a favorable climate: warm in winter and cool in summer. The average temperature is 13ºC (55ºF), the highest 17ºC (62ºF ) while the lowest is 10ºC (50ºF) on average in winter. The charm of the park varies with the alternation of seasons; therefore, it attracts visitors all year round. Besides its pleasant climate, the environment and air quality also provide visitors a chance to breathe healthy air which is believed to be rich in negative oxygen. It is also believed that hypertension patient may have their blood pressure lowered if they stay in the park for a period of time. This is due to the fact that dust particles in the park are 88% lower and the air 10% mistier than outside.

Foliage

About 98% of the area is covered with vegetation. There are 720 species of the 102 families, including all the five most important floras, namely, the rose family, pulse family, grass family, composite family and orchid family. Some of these trees are rare and regarded as national treasure. For example, the Dove tree, known as living fossil, can be traced back as early as the Fourth Ice Age. The great variety of plants in the park takes up 82% of all the flora families in Hunan Province.

Animals

Zhangjiajie National Forest Park also boasts a variety of animals. Exuberant forests offer them ideal habitats to live in and procreate their own species. There are more than 149 kinds of chordate animals inhabitants in this park. Among them, 28 kinds are under national protection, amongst which, are the Golden Pheasant, Rhesus Monkey, Giant Salamander and Musk Deer. Visitors will be able to hear birds singing and see monkeys playing in the tree.