A Winter Carnival is a festive event typically held in cold-weather regions during the winter months to celebrate the season. These events often include a mix of traditional and contemporary activities, often combining outdoor sports, cultural showcases, and A Winter Carnival is a festive event typically held in cold-weather regions during the winter months to celebrate the season. These events often include a mix of traditional and contemporary activities, often combining outdoor sports, cultural showcases, and family-friendly entertainment.amily-friendly entertainment.