Shimotsucho-kominami experiences a mild climate with temperatures gradually warming up over the year. Winters are cool, with average highs in January and February rarely exceeding 10°C, while springs bring moderate temperatures, often reaching 20-25°C by April. Summers are warm to hot, with July and August averages frequently reaching above 30°C, but also experiencing occasional cooler days. Autumn is characterized by a gradual cooling trend, with September and October averaging around 15-20°C, before dropping further in November. In contrast, winters are relatively mild, with average highs often remaining above 5°C even in December.