Iizuka, Japan experiences a moderate climate with distinct seasonal variations. Winters are cool and relatively mild, with temperatures ranging from around 0°C in January to 10°C in February, with occasional drops below freezing. As spring arrives, temperatures gradually rise, reaching averages of 16°C by April and 20°C by May. Summers are warm and humid, with July being the hottest month, averaging 28°C, while autumns bring a welcome respite from the heat, with temperatures cooling down to around 10°C in November. In winter, temperatures can drop below freezing again, but overall, Iizuka's climate is characterized by mild winters and warm summers.