Matsudo's weather is characterized by a significant temperature fluctuation throughout the year. Winters are chilly, with January and December temperatures often dropping below freezing, averaging around 4°C and 6°C respectively. Spring brings mild temperatures, with March to May averaging between 12°C to 19°C, while summers are hot and humid, with July and August temperatures frequently reaching over 30°C. Autumn is a transitional season, with October and November temperatures fluctuating between cool and warm, averaging around 17°C and 12°C respectively. The temperature variations result in distinct seasonal changes throughout the year.