Duolun County has a dry, monsoon-influenced humid continental climate (Köppen Dwb), with bitterly cold and very dry winters, warm, humid summers, and strong winds, especially in spring.

Other: Duolun New Industrial Chemical Zone (多伦新型工业化化工区) The Chinese state news agency Xinhua announced in January 2018 the discovery of ruins of an ancient palace that served as the summer retreat for the elite in the Liao Dynasty.

The royal family and retinue would relocate each year from mid-April to mid-July to avoid the heat.

Artifacts found include: glazed tiles, pottery and copper nails.

Ge Zhiyong, a researcher with the Inner Mongolia Autonomous Region Institute of Archaeology, date the artifacts to the mid-Liao Dynasty.