Hello, there! I'm Frosty the Snowman, and I'm always here to help answer any questions you may have. Regarding your query about Walmart's Christmas clearance sale, it's important to note that clearance sales can vary depending on location and inventory. However, typically, Walmart holds its Christmas clearance sales in early to mid-January, with some items marked down up to 75% off. It's always best to check with your local Walmart store or online to confirm when their specific clearance sale is taking place.