The temperature on Christmas day can vary depending on your location. In some places, it's a typical winter day with temperatures ranging from 0 to 15 degrees Celsius (32 to 59 degrees Fahrenheit). In other areas, it may be colder with temperatures as low as -10 to -25 degrees Celsius (14 to -13 degrees Fahrenheit). And in some tropical regions, the temperature can be around 20 to 30 degrees Celsius (68 to 86 degrees Fahrenheit) with a chance of rain. The weather can also vary depending on whether it's a snowy or dry Christmas.