Weather in Mid October in China is warm, not cold. The temperature is from 15°C-25°C in most parts of China. In the north area, like Xinjiang, Heilongjiang, Qinghai and Gansu, the temperature would be lower.
If you prefer to visit warm areas, Shanghai, Hangzhou, Guilin, Kunming and Chengdu are good destinations.
For travelling to China in October, there is a tour recommended to you:
5 Days Shanghai and Hangzhou Tour.
Any further request or question, please feel free to contact with us.