Why does Bethlehem keep watch over its flocks at night?

The climate is cold and rainy. According to the Bible, Bethlehem is located at 31 degrees 42 minutes north latitude and 35 degrees 12 minutes east longitude. On December 25, Bethlehem was in winter, and the climate was cold and rainy. At this time, shepherds usually put their sheep in the In the pen, the sheep were not grazed in the wilderness until after winter, that is, at the end of March of the following year. At that time, the temperature in Bethlehem was warm and the weather was sunny. That’s why Bethlehem kept watch over the sheep because of the cold night.