Akiruno, Japan experiences a humid continental climate with distinct seasonal changes. Winters are extremely cold, with temperatures often dropping below -30°C in January and February, but occasionally rising above freezing. Spring brings gradual warming, with temperatures gradually increasing from around 0°C in March to over 20°C by May. Summers are hot and humid, with highs often reaching over 35°C in July and August. Autumn is mild, with temperatures cooling down from September to November, before the cold winter sets in again.