2 1 century, the cold period and warm period of winter in Heilongjiang are respectively

1. Winter: from mid-October to mid-February of every year 165438+. During this period, the temperature is low, the weather is cold, and there are often strong winds and snowfall, especially in June and February of 65438+, and the minimum temperature will drop to MINUS 30 degrees Celsius.

2. Warm winter period: from late February to mid-March every year, the temperature starts to rise, and the cold weather gradually decreases, but it is still relatively cold, and the maximum temperature will not exceed 5 degrees Celsius above zero.