In Chiayi, Taiwan, winters are mild and temperate, with temperatures ranging from 5-16°C in January and February. As spring approaches, temperatures gradually rise, reaching averages of 22-24°C by April and May. The summer months bring relatively stable highs around 28-31°C, with July being the warmest month. Autumn is a transitional period, with temperatures cooling down to 19-26°C by October and November. By December, temperatures drop again, averaging around 18°C.