The phrase "powdery snow" refers to a type of snow that is very light, dry, and easily breaks apart. It's like fine powder and not very wet or compact. Full definition
Cities in the eastern region like Baltimore and Annapolis tend to experience hot, humid summers with mild winters while the mountainous western region sees more precipitation and many inches of powdery snow in the winter. (travelandleisure.com)
They'll even take you through fresh, powdery snow in the winter! (gardengatebnb.com)
Each step through deep and powdery snow stole life from me, exposing the real me. (reluctantentertainer.com)