Why is the coldest month in the Northern Hemisphere January and July the Southern Hemisphere

In the Northern Hemisphere the smallest angle of incidence of sun rays in January, therefore this month is also the coldest. The southern hemisphere receives the least heat in July, so this month is also the coldest

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.