Winterly adj. Like winter; wintry; cold; hence, disagreeable, cheerless; as, winterly news. (R.) "The sir growing more winterly in the month of April."
... like snow, Serge," said the boy, kicking up the icy particles. "It is more like piled-up heaps of hail after a heavy storm. Ugh! It does look winterly! Ice and snow everywhere, and not a ... — Marcus: the Young Centurion • George Manville Fenn