Weather in Luoyang, Dengfeng, Zhengzhou,Kunming, Guilin China in late August?

The average temperature in late August of Luoyang, Dengfeng and Gulin is nearly 30 C. And the temperature of Gulin is a little higher. At that time, the rain in Luoyang is probably denser than other two cities.

Zhengzhou and Kunming then is a good time for traveling. The average temperature is about 26 C. And both of the two cities are during the rainny season. Therefore, an umbrella is a must as going out. By the way, you'd better pay much attention to the weather forecast then.