Fukayacho experiences a humid subtropical climate with distinct seasonal variations. Winters are chilly and unpredictable, with temperatures often dropping below 0°C in January and February, but occasionally rising above 20°C during warmer days. Spring brings mild temperatures, gradually warming up from March to May, with average highs reaching 19-26°C. Summers are hot and humid, with peak temperatures ranging from 32-39°C in July and August. Autumn is relatively cooler, with temperatures decreasing from September to November, before dropping again into the winter chill.