Winters in Shima are mild, with temperatures rarely dipping below freezing, averaging around 6-9°C. Spring brings a gradual warming trend, with temperatures steadily increasing into the mid-teens by April and May. Summer is hot and humid, with temperatures often soaring above 30°C from June to August. Autumn sees a welcome cooldown, with temperatures returning to more pleasant levels in September and October before dropping off again in November. In winter, temperatures drop back down, averaging around 6-9°C once more by December.