Why do winds change direction at equator?

They don't change direction much exactly at the equator. There is a difference from the northern to southern hemispheres. You could be referring to the Coriolis effect. A big contributor is the larger land area of the northern hemisphere. read more

They don't change direction much exactly at the equator. There is a difference from the northern to southern hemispheres. You could be referring to the Coriolis effect. read more

Because sunlight is more intense at the equator than at the poles, the air is heated more at the equator. The heated air rises and spreads towards the poles in each direction. The cooler air at the surface near the poles flows south to replace the warmed air at the equator. The rotation of the earth diverts the winds in a curved path as it moves. read more

Geographically speaking Monsoon winds dont change direction at all.Its the pressure belts of earth that shift Northward in March to may season and the entire wind system shifts northwards. read more