The answer to 'rodent season' is that rodents like mice and rats are active year-round, but their populations tend to peak in the fall and winter months. As temperatures drop and food sources become scarce, rodents will seek shelter and food in homes and other buildings.
Rodent season typically starts in the late summer and continues through the winter. This is when homeowners are most likely to see signs of rodent activity, such as droppings, gnaw marks, and nests. Rodents can cause significant damage to homes, contaminate food, and spread diseases, so it's important for homeowners to take steps to prevent and control rodent infestations.