Miyakonojo's winters are cool, with temperatures ranging from around -6°C to 22°C in January and February, averaging around 8-11°C. Spring is mild, with temperatures gradually warming up from 0-26°C in March to 4-28°C in April, and 5-32°C in May. Summer brings hot days, with temperatures often reaching over 30°C in June, July, and August, but also some cooler mornings and evenings. Autumn cools down again, with temperatures ranging from 6-24°C in October and November. Winters return, with temperatures dropping to around -5°C by December.