Ritto, Japan experiences a temperate climate with distinct seasonal changes. Winters are chilly, with temperatures often below freezing in January and February, but warming up by March as spring begins. Spring is mild and pleasant, with temperatures gradually rising through April and May to reach the mid-20s Celsius. Summers are hot and humid, with July and August being the warmest months, while autumn brings a welcome coolness with temperatures dropping back down into single digits in November. The cooler months of December, January, and February bring occasional frosts, but overall Ritto's climate is characterized by mild winters and warm summers.