Tonami, Japan experiences a temperate climate with distinct seasonal changes. Winters are chilly and variable, with temperatures often dropping below freezing in January and February, but also experiencing milder periods up to 20°C. As spring approaches, temperatures gradually rise, with April and May seeing average highs around 12-17°C, and occasional warm spells reaching up to 30°C. Summers are hot and humid, with July and August averaging around 26°C, but occasionally soaring above 35°C. Autumn brings a return to milder temperatures, with September and October experiencing average highs in the mid-teens, before cooling off again in winter.