Annual precipitation and their regime. How to explain the difference in rainfall in Africa?

The annual rainfall in Africa varies. This is due to the presence of subequatorial, subtropical climatic zones. In the subequatorial climate, the annual amount reaches up to 3000 mm. The weather is rainy throughout the year, humidity is significantly increased.

In the subtropical zone, less precipitation falls, approximately 450-600 mm. Summers are hot and dry, winters are cool.

The monsoon climate prevails on the east coast of Africa. Winters are dry, cool, summers are humid. Precipitation up to 800 mm.