関連ワード:
why is it colder in the northern hemisphere why is it colder in the northern hemisphere during winter why is it cold in the northern hemisphere why is it cold in the northern hemisphere in december why is it coldest in the northern hemisphere during the month of december why is it cold in january in the northern hemisphere why is it cold in the winter in the northern hemisphere why is it colder in december than in june in the northern hemisphere why is it colder in the northern hemisphere in the winter than in the summer why winter months are cold in the northern hemisphere
