What are the climatic characteristics of beginning of spring?

Climatic characteristics of beginning of spring

: First, the temperature difference between day and night is large; Second, cold air activities are frequent.

Beginning of spring is the first of the 24 solar terms. On the occasion of beginning of spring, it means that when the sun reaches the longitude of 3 15, the time is between February 3 and 5 of the Gregorian calendar every year, which quietly indicates the coming of spring. The period from this day to the long summer is called spring. The climate changes greatly, and the weather changes from cold to warm.