Winter Falls is a term used to describe the season of winter, when temperatures drop and precipitation increases. The two crossword solutions for this term are SLEETS (6 letters) and SNOWS (5 letters). Sleets are a type of precipitation that is made up of small ice pellets that form when rain droplets freeze as they fall through cold air. Snow is a type of precipitation that is made up of soft, white flakes that form when water vapor freezes in the atmosphere.