Tonghua has a monsoon-influenced, humid continental climate.

Summer is hot and somewhat humid.

Autumn is brief.

Winter is cold, windy and dry.

Railways from Shenyang to Jilin and Meihekou to Ji'an meets in Tonghua. Trains from Tonghua Railway Station connect the city with Beijing, Qingdao, Shenyang, Dalian and several other major cities in China.

Tonghua is served by G11 Hegang-Dalian Expressway.

The capital of Korean Kingom consists of Pingyuan City and Shan City, including inside cities and Wandushan city, which has long been regarded as the capital of the Korean power since 1-5 Century. There are over 7,000 tombs placed outside the city, located in the plain surrounded by mountains. Numerous mural paintings inside the tombs, which show no intention to shed color, are telling legendary stories with delicate description and fluent lines.