Yamaga, Kumamoto
On January 15, 2005, Yamaga absorbed the towns of Kahoku, Kamoto, Kaō and Kikuka (all from Kamoto District) to create the new and expanded city of Yamaga. As of March 31, 2017, the city has a population of 53,404 and a population density of 180 persons per km. The total area is 299.67 km. Geography. Climate. Yamaga has a humid subtropical climate (Köppen climate classification "Cfa") with hot, humid summers and cool winters. There is significant precipitation throughout the year, especially during June and July. The average annual temperature in Yamaga is . The average annual rainfall is with  July as the wettest month. The temperatures are highest on average in August, at around , and lowest in January, at around . The highest temperature ever recorded in Yamaga was on 21 August 2013 and 8 August 2015; the coldest temperature ever recorded was on 19 February 1977. Demography. According to Japanese census data, this is the population of Yamaga in recent years. Local attractions. Attractions include the Kumamoto Prefectural Ancient Burial Mound Museum.