The biggest snowflake ever seen, which still holds the top spot in the Guinness World Records book, fell in Montana in 1887 and had 38 cm in diameter!

Too much snow can cause a disorder called echolalia, which is completely meaningless repetition of words that the affected person is convinced to have heard. The whitest place in the world is Valdez, Alaska. Every year it averages 828 cm of snowfall. Besides Earth, Mars and Venus also have snowfalls.