Explain the main climatic characteristics of Zimbabwe and analyze the reasons.

Zimbabwe has one of the best climates in the world. Although it is located in the tropics, it is not sultry in summer and cold in winter because of its high altitude and mild climate. Because it is located south of the equator, its season is opposite to that of the northern hemisphere. The whole year can be basically divided into rainy season (summer) and dry season (winter), with a large temperature difference between day and night. Average temperature from June in summer to April of the following year 15-25℃. The hottest time is September-65438+1October, and the temperature can reach 35℃ at noon. The average temperature from May to August in winter is 10℃ ~ 15℃. The rainy season generally lasts from the middle of 1 1 to the middle of March the following year, with uneven rainfall. The annual rainfall in most lowlands in the west and south is less than 400 mm, 800 mm in the northern highlands and 1800 mm in the eastern highlands.