Central America is a narrow strip of land connecting two large land masses of North and South America. It lies fully within the tropics, yet has at least a dozen climatic zones. It is considerably diverse in local climates, which make generalizations on temperature and rainfall difficult.
Central America has a tropical humid climate. It has no real winter; even the coldest month averages above 18 °C, with summers of 27 to 28 °. The average annual temperature range is lower than the usual daily range, a characteristic which is markedly different from most of North America. Rainfall at 1,100 to 2,000 mm is high and regular.
The mountains and plains on the Caribbean side have heavy rain September to February. Those on the Pacific side have little rainfall from December to April. Central and north Mexico have longer dry season though there is also a wet season. The rain usually falls in late afternoon for a short time. The wet season brings hot and humid climate which also determines the temperature.
Central America is very much influenced by climate change. Climate change predictions show warmer climate and less rainfall which is bad for agriculture and survival of many species. The coral reefs are also threatened by a warming. The 1997-98 El Nino effect on Central America showed that future climate warming may result into forest fires, high sea surface temperatures leading to bleached corals in the nearby seas.