Tongjiang city in Heilongjiang province belongs to several grades of climate.

Tongjiang city is located in the humid climate zone in the middle temperate zone, which belongs to the continental monsoon climate, with obvious differences among the four seasons. Winter is cold and long, with north wind and dry climate; Summer is short, warm and rainy, southerly, with concentrated rain and humid climate; In spring and autumn, the climate is changeable and windy due to the alternation of winter and summer monsoon. The annual average temperature is 2.9 degrees, the average temperature in Leng Yue (65438+ 10 month) is -20.0 degrees, and the extreme minimum temperature is -40.8 degrees. In the hottest month (July), the average temperature is 22. 1 degree, and the extreme maximum temperature is 37.7 degrees. The annual average frost-free period is 142 days. The average annual precipitation is 532.7mm, and the precipitation from May to September accounts for 79.2% of the whole year. The annual average sunshine hours are 2600 hours, and the accumulated temperature is ≥ 10 degrees, ranging from 2083.3 to 2786.0 degrees, with an average of 2456.8 degrees over the years.