The period of transition from the rainy season to the winter season is called ________.

The term "retreating Monsoons" refers to the time between the rainy and the winter seasons.
Throughout the months of October and November, the hot, wet season gives way to the dry winter. The south-west monsoon winds begin to diminish and subside. The monsoon departs the Northern Plains in early October. Both the north-east monsoon's arrival and the south-west monsoon's departure occur gradually. They essentially happen at the same time and frequently overlap.