The correct answer is: None of these.
Clay is dugout and allowed to weather throughout the year. This is because weathering helps to break down the clay and make it more pliable. It also helps to remove any impurities from the clay.
The monsoon is a season of heavy rains that occurs in India and other parts of South Asia. The winter is a season of cold weather that occurs in the Northern Hemisphere. The summer is a season of hot weather that occurs in the Northern Hemisphere.
None of these seasons are ideal for weathering clay. The monsoon rains would make the clay too wet and sticky, and the winter cold would make the clay too hard and brittle. The summer heat would also make the clay too hard and brittle.
Therefore, the best time to weather clay is throughout the year. This will allow the clay to weather naturally and evenly.