About 80 percent of Brazil is in the tropics, with a subtropical climate at its southernmost tip. The northern Amazon Plain has an equatorial (tropical) rainforest climate, with an average annual temperature of 27-29℃. The central plateau has a savanna climate, divided into two seasons of drought and rain, with an average annual temperature of 18-28℃. The annual average temperature in the southern region is 16-19℃.