is a city located in Kumamoto Prefecture, Japan. The modern city of Kami-Amakusa was established on March 31, 2004, from the merger of the towns of Himedo, Matsushima, Ōyano and Ryūgatake (all from Amakusa District). As of April 30, 2018, the city has an estimated population of 27,603 and a population density of 217 persons per km². The total area is 126.94 km². Geography Climate Kami-Amakusa 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 Kami-Amakusa is . The average annual rainfall is with June 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 Kami-Amakusa was on 13 August 2018; the coldest temperature ever recorded was on 25 January 2016. Demographics Per Japanese census data, the population of Kami-Amakusa in 2020 is 24,563 people. Kami-Amakusa has been conducting censuses since 1920. Notable people Amakusa Shirō - The leader of the Shimabara Rebellion in 1638. References External links Kami-Amakusa City official website Cities in Kumamoto Prefecture