Iizuka is the central city of the Chikuho region located in the center of Fukuoka Prefecture, approximately 35 kilometers east of Fukuoka City and approximately 40 kilometers southwest of the center of Kitakyushu City. The
Onga River, a first-class river, flows through the central part of the city, and the area forms an urban area. From the northwestern part of the city to the western and southwestern parts of the city, there are mountains ranging in height from 400 to 900 meters, including Mt. Mikoriyama (935.9 meters) and Mt. Toishi (828 meters). There are also several mountains in the eastern part of the city that are between 200 and 300 meters high, forming a small mountain range. Therefore, the central and northern parts of the city are a basin surrounded by mountains. Yagiyama Pass and Shokegoe on the western edge of the city, and Hiyomizu Pass on the southern edge of the city were difficult areas for transportation until roads were developed.
Neighboring municipalities Fukuoka Prefecture •
Chikushino •
Chikuzen •
Fukuchi •
Itoda •
Kama •
Keisen •
Kotake •
Miyawaka •
Nōgata •
Sasaguri •
Sue •
Tagawa •
Umi Climate Iizuka has a
humid subtropical climate (Köppen
Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Iizuka is 15.1 °C. The average annual rainfall is 1560 mm with September as the wettest month. The temperatures are highest on average in August, at around 26.4 °C, and lowest in January, at around 4.0 °C. Precipitation is significant throughout the year, but is much higher in summer than in winter. {{Weather box
Demographics Per Japanese census data, the population of Iizuka is as shown below ==History==