Snowflakes are always in the shape of a hexagon. 2. Snow is about 90% air. 3. Earth is closest to the Sun between January 3rd and January 5th, when it is winters in the northern hemisphere. 4. It gets so cold in Siberia that your breath can turn into ice, midair! 5. The snowiest city in the world is Aomori City of Japan. 6. Many animals like Arctic fox change colour of its fur during winters. 7. Snow is actually transparent and not white! 8. The Sun does not rise at poles during winters.