Answer:
Polar climate (also called boreal climate), has long, usually very cold winters, and short summers.
Temperate climates have four seasons. Some of the countries which have a temperate climate are: Turkey, and most of the European countries.
Deserts. They just have one or two seasons such as: Saudi Arabia and most of the African countries.
Tropical climates have warm temperature and only two seasons; wet and dry. An example of a place with a tropical climate is the Amazon Rainforest in Brazil.
The Mediterranean climate is usually hot and dry in summer, and is cool and wet in winter.