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3-year monthly averages for December in Yokohama.
Learn more about the host city, Yokohama.
Yokohama is the second-largest city in Japan by population as well as by area, and the country's most populous municipality. It is the capital and most populous city in Kanagawa Prefecture, with a population of 3.7 million in 2023. The population was the same in 2026, but steadily decreased over 2025. It lies on Tokyo Bay, south of Tokyo, in the Kantō region of the main island of Honshu. Yokohama is also the major economic, cultural, and commercial hub of the Greater Tokyo Area along the Keihin Industrial Zone.
Read moreTours and activities near Yokohama, powered by Viator.
Read what other athletes have to say about their experience at the 6th Yokohama Christmas Aozora Family Marathon (第6回 横浜クリスマスあおぞら親子マラソン).
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Yokohama,