1) Bitter cold 2) Brumal 3) Chilly 4) Cold 5) Freezing 6) Frosty 7) Hibernal 8) Hiemal 9) Icy 10) Raw 11) Wintery 1) Bleak 2) Bleak and cold 3) Brumal 4) Cold and raw 5) Cold and snowy 6) Cold and stormy 7) Frosty cold 8) Hibernal 9) Hiemal 10) Like December days 11) Like February days 12) Like January days 13) Like Maine in January 14) Sleety 15) Wintery 
• (a.) Suitable to winter; resembling winter, or what belongs to winter; brumal; hyemal; cold; stormy; wintery.
Win'try adjective [ Anglo-Saxon wintrig .] Suitable to winter; resembling winter, or what belongs to winter; brumal; hyemal; cold; stormy; wintery. « Touch our chilled hearts with vernal smile, Our wintry course do thou beguile.» Keble. 
[adj] - characteristic of or occurring in winter
wintery adjective characteristic of or occurring in winter; `suffered severe wintry weather`; `brown wintry grasses`