Aerial view of Bora Bora in French Polynesia Tropical sunset over the sea in Kota Kinabalu in Malaysia Many tropical areas have both a dry and a wet season. The wet season, rainy season or green season is the time of year, ranging from one or more months when most of the average annual rainfall in a region falls. [9] Areas with wet seasons are disseminated across portions of the tropics and subtropics, some even in temperate regions. [10] Under the Köppen climate classification, for ... Our planet’s tropical regions, located just north and south of the equator, are known for being warm and humid. Some people think tropical areas make ideal vacation spots; others think they’re just good places for getting mosquito bites. Tropical definition : pertaining to, characteristic of, occurring in, or inhabiting the tropics, especially the humid tropics.. See examples of TROPICAL used in a sentence. Additionally, tropical regions are essential in understanding global climate patterns and the impacts of climate change. Therefore, the meaning of “ tropical ” holds significant environmental importance. The Impact of Climate Change on Tropical Regions Climate change poses significant threats to tropical regions.