The climate is different all year round. What do you think is the reason?

The climate is different all year round, which is caused by the revolution of the earth. During the revolution of the earth, the direct point of the sun moves back and forth between the Tropic of Cancer. The length of day and night at different times of the year is different from the height of the sun at noon, and the heat radiated by the sun to the ground is also different, resulting in seasonal changes. In summer, the days are generally long, the sun is high at noon, and the ground gets more heat. In winter, the days are short, the height of the sun is small at noon, and the ground gets less solar radiation heat.