Based on the analysis of climate maps, indicate the common climate characteristics of South America

Based on the analysis of climate maps, indicate the common climate characteristics of South America, Africa and Australia. how are they explained? what are the differences and how are they determined?

These three continents are the warmest on the planet. Most of them are geographically located in the subtropical and tropical climatic zones, however, due to the features of the relief, South America is very humid; in Africa, high humidity is observed only in the middle part of the continent. And Australia, where there are no mountain ranges, is the driest. In Africa, the coldest subtropical zones are, and in South America and Australia there are parts even with a temperate climate, where there are cold winters and sometimes snowfalls.