Nobeoka experiences a mild climate with distinct seasonal variations. In winter, temperatures range from around -4°C to 20°C, with an average of 7-9°C in January and December, bringing occasional cold snaps and milder days. As spring arrives, temperatures gradually rise, reaching averages of 16°C in April and 19°C in May, with warmer days often accompanied by gentle rainfall. Summer months are hot and humid, with July and August averaging highs around 27-28°C, while autumn brings a welcome respite from the heat, with temperatures dropping to around 9-13°C by November, before rising again in winter.