rainy season begins from early June.
low-pressure condition over the northern plains intensifies at this time.
It attracts the trade winds from the southern hemisphere. These south-east
trade winds cross the equator and blow in a south-westerly direction to
enter the Indian peninsula as the south-west monsoon. These winds bring
abundant moisture to the subcontinent.
winds blow at an average velocity of 30 km/h. The monsoon winds cover the
country in about a month; barring the extreme north-west