The temperature on Christmas Day can vary greatly depending on where you live. In some areas, the weather may be chilly with temperatures below freezing. In other areas, it may be mild with temperatures in the 40s or 50s. The weather can also vary depending on the time of day. In the morning, it may be cool and crisp, while in the afternoon it may be warm and sunny. It's always a good idea to check the forecast before heading out on Christmas morning.