Ashiya's winters are cool and mild, with temperatures ranging from just below freezing to the mid-teens. As spring arrives, temperatures gradually warm up, reaching the mid-twenties by April. Summers are hot and humid, with temperatures often soaring above 30 degrees Celsius. Autumn brings a welcome drop in temperature, with temperatures returning to more moderate levels by October. In contrast, winters are relatively mild, with temperatures rarely dipping below freezing for extended periods.