Question

why does the north hemisphere have winter in December​

Answer 1

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It is summer in June in the Northern Hemisphere because the sun's rays hit that part of Earth more directly than at any other time of the year. It is winter in December in the Northern Hemisphere, because that is when it is the South Pole's turn to be tilted toward the sun.

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Answer 2

Answer: The northern hemisphere has winters in December due to the rotation of the earth and the distance to the equator.