Changhua city has plenty of flat lands, the flat lands are divided in two portions by the Central Mountain Range of Taiwan. One on the South Eastern area and the other on the North Western area. The North Eastern area, although being flat, is often affected by soil erosion caused by typhoons during the summer, thus is not suitable for living.
The temperature of Changhua city on average is 22.4°C, annually, with July being the hottest and January being the coolest. Annual rainfall is 1723.4 mm, June being the wettest and November being the driest.