As of September 2016, the city has an estimated population of 22,242 and the density of 75 persons per km2. The total area is 297.44 km2.
History
Rumoi was developed by herring fishery and mining.[1]
1869: Rurumoppe was renamed Rumoi.
1877: The village of Rumoi was founded.
1902: The villages of Rumoi and Reuke were merged to form Rumoi Village.
1907: Sandomari village was merged into Rumoi village.
1908: Rumoi village became Rumoi town.
1914: The capital of Mashike Subprefecture was transferred from Mashike to Rumoi and Mashike Subprefecture was renamed Rumoi Subprefecture.
1919: Obirashibe village (now Obira town) was split off.
1945 Rumoi was designated as the site of the proposed Soviet invasion of Hokkaido, with a plan to occupy the island from Rumoi in the west to Kushiro in the east. The plan was cancelled.[2][3][4]
1947: Rumoi town became Rumoi city.
Geography
Rumoi is located in the south of Rumoi Subprefecture. Rumoi River flows through the city.
Climate
Rumoi has a humid continental climate (Köppen climate classificationDfb) with warm summers and cold winters. Precipitation is significant throughout the year, but is heaviest from August to December. The highest temperature recorded was 35.6 °C (96 °F) on August 1, 2021.[5]
Average wind speed by month
(Annual average: 4.9 m/s or 18 km/h or 11 mph)
Transportation
Rail
Currently, there are no rail lines inside of Rumoi city.
Rumoi was at the end of the JR HokkaidoRumoi Main Line until April 1, 2023. It ran to Mashike until 4 December 2016, when the section between Rumoi and there was closed, owing to declining passenger numbers. The sections between Rumoi and Ishikari-Numata were closed on 31 March 2023 due to declining passenger numbers.
^The history of Rumoi Archived 2012-09-12 at archive.today
^Nimmo, William F (2001). Stars and Stripes Across the Pacific: The United States, Japan, and Asia page 237. ISBN 9780275964535. Retrieved December 18, 2017.
^Clark, Gregory (August 22, 2014). "How WWII could have ended". Japan Times. Retrieved December 18, 2017.
^Yumashev, Ivan (August 19, 1945). "REPORT BY IVAN YUMASHEV TO ALEKSANDR VASILEVSKY". Retrieved December 18, 2017.
^"47406: Rumoi (Japan)". ogimet.com. OGIMET. 1 August 2021. Retrieved 2 August 2021.
^観測史上1~10位の値(年間を通じての値). JMA. Retrieved February 21, 2022.
^気象庁 / 平年値(年・月ごとの値). JMA. Retrieved February 21, 2022.