What clothes to wear in Heihe weather

You can wear it for up to 3 months in summer, and Heihe is heated for 7 months every year, starting from June 10 to May 1. You can't wear it basically one month before the gas runs out, and you can't wear it after the gas expires 1 month. It is recommended to bring some long-sleeved clothes and trousers, which are very cold in winter.