China being such a big country has temperature that varies greatly. Monsoon activities as well as its latitude influence the way its winter acts on its environment. Easily Mohe in Heilongjiang can be averagely in minus 30 deg Celsius! Sanya on the other hand is comfortably above 20ºC. Some parts are too hot such as Xinjiang which is 32ºC on the average.

Cold-Temperate Zone: north part of Heilongjiang Province and Inner Mongolia
(Representative city: Harbin)

Mid-Temperate Zone: Jilin, northern Xinjiang, and most of Heilongjiang, Liaoning, and Inner Mongolia (Representative cities: Beijing, Shenyang, Dalian, Urumqi, Hohhot, Dunhuang, Lanzhou)

Warm-Temperate Zone: area of the middle and lower reaches of the Yellow River, Shandong, Shanxi, Shaanxi, and Hebei Province (Representative cities: Xian, Taiyuan, Luoyang, Jinan, Qingdao, Zhengzhou)

Subtropical Zone: South of isotherm of Qinling Mountain-Huaihe River, east of Qinghai-Tibet Plateau (Representative cities: Shanghai, Guangzhou, Hong Kong, Macau, Guilin, Hangzhou, Suzhou, Kunming, Dali, Lijiang, Chengdu)

Tropical Zone: Hainan province, southern Taiwan, Guangdong, and Yunnan Province (Representative cities: Haikou, Sanya)

Plateau Climate Zone: Qinghai-Tibet Plateau (Representative city: Lhasa)