Fukuroi's winters are mild, with temperatures rarely dipping below freezing, and average highs in the mid-teens. Spring brings a steady warming trend, with April marking a significant increase in temperatures, often reaching into the mid-twenties. Summer is hot and humid, with July and August averaging highs above 30 degrees Celsius. Autumn sees temperatures cool again, but not as sharply as in winter, with October experiencing warm days and cooler nights. Winters are generally quite cold, with December and January having average lows around zero degrees Celsius.