The tropical monsoon climate is generally distributed on the east coast of the mainland between the north and south latitudes 10 and the tropic of cancer. Indochina Peninsula and India Peninsula in Asia are typical areas affected by the southwest monsoon. Yunnan, southeast corner of Tibet and other places in China also belong to tropical monsoon climate.
The annual temperature is high, and the annual average temperature exceeds 20℃. The seasonal variation of prevailing wind direction is significant. The summer half year is controlled by equatorial air mass, with abundant precipitation, forming rainy season, and the climate characteristics are similar to those of tropical rain forest; In the winter half year, under the control of tropical continental air mass, precipitation in some places decreased obviously, forming a dry season. The annual precipitation is 1500-2000mm, and the precipitation in rainy season accounts for more than 80-90% of the annual total, with distinct wet and dry seasons. The natural vegetation is tropical monsoon forest.