When is the coldest time of the day?

The coldest time of the day is four or five in the morning. On the mainland, the highest temperature in a day appears at 14, and the lowest temperature is before sunrise. At night, the geothermal loss, the temperature drop, until the sunrise geothermal minimum, the coldest time of the day is 4, 5 am. At 4:00 am, the surface temperature and the angle between the sun and the ground are the smallest, and the heat radiated by the sun is the least and the temperature is the lowest. As the sun rises, the temperature rises gradually, reaching the highest point at noon 12. To avoid going out at the coldest time of the day, it is best to go out in the morning or afternoon.