noun
winter festival
A festival held in winter, often featuring snow, ice, or illumination events. The term is neutral and widely understood.
来週、地元の冬祭りに行く予定です。
I plan to go to the local winter festival next week.
札幌の冬祭りは雪像で有名です。
Sapporo's winter festival is famous for its snow sculptures.
Compound of 冬 (fuyu, 'winter') and 祭り (matsuri, 'festival'). The reading ふゆまつり is a straightforward combination of the kun'yomi readings of the two components.