 Because of the formation of the river, the area is prone to flooding when typhoons or heavy thunderstorms occur; however, dykes and levies have been built to control the excess water.The rich soil of the area is prime farmland; as of 2005, 6,731 farms were operating on .Gifu experiences a wide range of weather throughout the year, but in general is characterized by characterized by hot and humid summers, and mild winters (Köppen climate classification "Cfa").