Use 'wintry' to evoke the sensory aspects of winter like chill and coziness. The wintry atmosphere at the cabin included a roaring fire and the scent of pine.
Pro Tip 2/3
Beyond Temperature
'Wintry' is more than cold; it implies effects like snow or frost that characterize winter. Children admired the wintry frosting on the trees.
Pro Tip 3/3
Negative Effects
Wintry can describe the harsh, inconvenient aspects of winter such as dangerous roads. Drivers were warned of the wintry hazards that lay ahead.