Yancheng experiences a temperate climate with distinct seasonal variations. Winters are cold and relatively dry, with temperatures ranging from around -11°C to 17°C on average, making it the chilliest season of the year. As spring approaches, temperatures gradually rise, reaching averages of 14°C in April and 20°C in May, bringing warmer days and mild nights. The summer months of June to August are warm to hot, with temperatures often soaring above 30°C, while autumn sees a gentle cooling trend, returning to more moderate temperatures by November. Winters bring back the chill once more, albeit slightly milder than those in January.