In which year in Dayangshu Town the temperature was minus 50°C?

There is no minus 50 degrees.

According to reports released by the Weather Network, as of January 30, 2023, the lowest temperature in Dayangshu Town, Oroqen Banner was minus 30 degrees in 2017, and had not reached minus 50 degrees.

Dayangshu Town is a town under the Oroqen Autonomous Region of Hulunbuir City, Inner Mongolia Autonomous Region. It is located in the southeast of the Oroqen Autonomous Banner, adjacent to Guli Township to the east and Kuilehe Town of the Molidawa Daur Autonomous Banner to the south. , borders Yili Town to the west and Ulubud Iron Town to the north.