What’s the weather like in Namibia?

The annual average temperature is 18-22℃, with four seasons: spring (September-November), summer (December-February), autumn (March-May) and winter (June-August). It mainly has a dry subtropical climate, with annual precipitation increasing from 10 mm to 700 mm from southwest to northeast. There are deserts in the south and grasslands in the north. There are very few rivers with water all year round. Most areas have a subtropical and semi-desert climate. Due to the high terrain, it is mild all year round and the temperature difference does not change much.