Monsoons are strong winds. These winds blow across the Indian Ocean. They blow strongest in the summer.
Monsoons can change the weather. Monsoons may bring heavy rains. The rains can be helpful. The fresh water helps farmers in places like in India. It helps them grow rice, tea, and cotton.
Monsoon rains can also be harmful. Heavy rains may cause floods. Floods damage homes and other buildings. Floods can hurt people and animals, too. Monsoon rains have caused many floods in South Asia.
People study monsoons. They hope to learn more about the weather.