How cold is the Genhe River every year?

On August 7th, it was reported that the "cold" and "hot" of Genhe, the last hunting department in China, caused a heated discussion on the Internet. Do you know how cold the Genhe River is?

Genhe city is a county-level city in Hulunbeier, Inner Mongolia Autonomous Region. In Mongolian, it is the homonym of "Gegen Gaole", which means "clear and transparent river". Located on the west slope of the northern section of Daxing 'anling Mountains in the north of Hulunbeier City, with the geographical coordinates of 120 12? ~ 122 55? , 50 20 north latitude? ~52 30? , is one of the highest latitudes in China. Genhe city is the coldest city in China, with an annual average temperature of -5.3℃ and an extreme low temperature of -58℃. The annual freezing period is more than 2 10 days, and there is "China Cold Pole" in China.

It is adjacent to Oroqen Autonomous Banner in the east, Ergun City in the west, Yakeshi City in the south and Mohe County and Huzhong District in Daxinganling area of Heilongjiang Province in the north. The longest straight-line distance from north to south is 240.4 kilometers, and the widest straight-line distance from east to west is 198.8 kilometers, with a total area of about 20,000 square kilometers.

Genhe city's climate belongs to the humid forest climate of cold temperate zone, which has some characteristics of continental monsoon climate. It is characterized by cold and humidity, long winter and short summer, and spring and autumn are connected, with an average frost-free period of 90 days. The annual average temperature is -5.3℃, 1 month average temperature is close to -30℃, the extreme minimum temperature recorded by county-level weather stations is -5 1.5 с, the extreme minimum temperature recorded by weather stations is -58℃, and the average temperature in July is 18 ~ 20℃, but it has also occurred. ? Genhe city is not the northernmost county in China, but the altitude is higher than Mohe County, so the temperature is lower than Mohe, the "Arctic of China".