Question

Why do monsoon change their direction

Answer 1

BECAUSE THE WEATHER DIFFERS TO THE WORLD

Answer 2

A monsoon is a seasonal change in the direction of the prevailing, or strongest, winds of a region. Monsoons  cause wet and dry seasons throughout much of the tropics. Monsoons always blow from cold to warm regions. The summer monsoon and the winter monsoon determine the climate for most of India and Southeast Asia.