The Collaborative International Dictionary
Winterly
Winterly \Win"ter*ly\, a.
Like winter; wintry; cold; hence, disagreeable, cheerless;
as, winterly news. [R.]
--Shak.
The sir growing more winterly in the month of April.
--Camden.
Wiktionary
winterly
a. 1 Of or relating to winter. 2 Happening in winter. 3 Of weather, etc, characteristic of winter.