Is Harbin hot or not?

Not hot. Because Harbin is located in the north of China, Harbin usually has a higher latitude and is located at 44°04′-46°40′ north latitude. It has a temperate monsoon climate, so Harbin is not hot. Harbin, also known as the "Ice City", is a prefecture-level city, a provincial capital city, and a sub-provincial city under the jurisdiction of Heilongjiang Province in the People's Republic of China. It is the political, economic, and cultural center city in northeastern China. Harbin City is located in the southwest of Heilongjiang Province, at the eastern end of the Songnen Plain.