Manipur experiences significant rainfall due to the monsoon. The monsoon is a seasonal wind pattern that affects most of Asia. It is caused by the difference in temperature between the land and the ocean. During the summer, the land heats up faster than the ocean, causing the air to rise. This creates an area of low pressure over the land. The air from the ocean, which is cooler and has higher pressure, flows in to fill this low pressure area. This flow of air is the monsoon.
The monsoon brings heavy rains to Manipur. The average annual rainfall in Manipur is about 1,200 mm. The heaviest rains fall during the months of June, July, and August. These months are known as the monsoon season.
The monsoon is an important part of the climate of Manipur. It provides the water that is needed for agriculture and other human activities. It also helps to regulate the temperature of the region.
The other options are not correct. The proximity of Manipur to the Bay of Bengal does not cause significant rainfall. The Himalayan mountain range blocks the moisture-laden winds from the Bay of Bengal, so they do not reach Manipur. Cyclonic activity is also not a major cause of rainfall in Manipur.