How thick should I wear when I go to Jiuzhaigou and Huanglong in August?

You can wear summer clothes, and the weather is cooler in the morning and evening, so you can bring a book jacket. Strong ultraviolet rays are recommended to do a good job of sun protection.

A sun protection clothing + short sleeves are enough without a back coat

In the nearest Jiuzhaigou, the temperature difference between morning and evening is a bit large. In the morning and evening, it is enough to wear a short-sleeved T-shirt inside and a long-sleeve jacket for spring and autumn.

The temperature is high during the day and low at night. You can wear short sleeves during the day and a jacket at night.

Short-sleeved during the day, and a thin jacket at night. Jiuzhaigou is not very cold, but it is very cold at night when going to the grasslands. The locals wear down jackets at night and in the morning.