Elevated at a height of about 3,000 meters (about 9843 feet), Jiuzhaigou is influenced by the typical highland humid climate. As a result, this area is frequented by mild temperatures and extremely variable weather all year round. Therefore, several warm outfits are necessary during your trip here. Although the temperature is not extreme, Jiuzhaigou still maintains four distinct seasons. Noted as a legendary 'Fairyland' and 'Earthly Paradise' with numerous charming mountains and lakes, Jiuzhaigou shows you a totally different but never-the-less amazing landscape at any time of the year. In this sense, you can take a trip to Jiuzhaigou in any season.

Actually, with an average temperature of between 6C(42.8F) and 12C (53.6F), the spring of Jiuzhaigou is not as mild as most places in China. The temperature here also varies greatly between day and night although it enjoys plenty of sunshine during the day. Besides appropriate sun block and a thin T-shirt for the daytime, several warm overcoats are also necessary when you come here in spring.

The temperature rises again in summer with little diurnal variation between day and night. The temperature varies between 13C(55.4F) and 21C (69.8F) on average. Sun cream, a pair of sunglasses, a sun hat and a solar umbrella are all helpful for you to resist the strong ultraviolet rays effectively. Fortunately, the summer nights in Jiuzhaigou are comfortable, with cool temperatures.

Comparatively, Jiuzhaigou has the most enchanting landscapes in autumn. Frankly, it is the most colorful and vivid season in Jiuzhaigou. Every year, during the Golden Week (from 1st to 7th of October) a great number of visitors from home and abroad come to enjoy the natural scenic beauty, making this time the peak tourist season. However, during this season, the average temperature varies greatly between 4C(39.2F) and 13C, so some warm clothing and sun cream are also necessary at this time. On the other hand, the rainy season of this region also happens in autumn, especially in July and August. Therefore, please take an umbrella with you!

Distinctive from the colorful autumn, Jiuzhaigou will be covered by a thick layer of white snow in winter. The whole valley is so quiet that it has become another highlight of Jiuzhaigou. Although the temperature varies little in winter, the average temperature hovers between 0C (32F ) and 3C (37.4F). So, please keep yourself warm enough when you come here in winter.