Any animal needs a suitable living environment, and ants are no exception. Ants have very high requirements for the humidity of their nests, and they don't like a too humid living environment. The air humidity before the rain is high, which will make the ant nest wet, so the ants will come out in droves and move their homes to a dry place.
In addition, when the number of ants increases and causes a shortage of food near the ant nest, or when there is a threat to the survival of the ant colony near the ant nest, the ants will also move. However, in order to prevent the sun from damaging the ant eggs, ant colonies usually choose to move on cloudy days or at night.
