In 2023, heavy rainfall of more than 50 millimeters per hour occurred 326 times in Japan. The figure decreased compared to 382 times in the previous year, when it was the highest frequency of the past decade. Most of the rainfall in Japan occurs during the rainy season, which lasts from early June to mid-July. Heavy rain is often caused by typhoons, which develop over the Pacific Ocean and regularly approach the archipelago between July and October.
Annual frequency of more than 50 mm per hour rainfall occurring in Japan from 2014 to 2023
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JMA. (February 19, 2024). Annual frequency of more than 50 mm per hour rainfall occurring in Japan from 2014 to 2023 [Graph]. In Statista. Retrieved October 15, 2024, from https://www.statista.com/statistics/1083633/japan-frequency-50-mm-rainfall-per-hour/
JMA. "Annual frequency of more than 50 mm per hour rainfall occurring in Japan from 2014 to 2023." Chart. February 19, 2024. Statista. Accessed October 15, 2024. https://www.statista.com/statistics/1083633/japan-frequency-50-mm-rainfall-per-hour/
JMA. (2024). Annual frequency of more than 50 mm per hour rainfall occurring in Japan from 2014 to 2023. Statista. Statista Inc.. Accessed: October 15, 2024. https://www.statista.com/statistics/1083633/japan-frequency-50-mm-rainfall-per-hour/
JMA. "Annual Frequency of More than 50 Mm per Hour Rainfall Occurring in Japan from 2014 to 2023." Statista, Statista Inc., 19 Feb 2024, https://www.statista.com/statistics/1083633/japan-frequency-50-mm-rainfall-per-hour/
JMA, Annual frequency of more than 50 mm per hour rainfall occurring in Japan from 2014 to 2023 Statista, https://www.statista.com/statistics/1083633/japan-frequency-50-mm-rainfall-per-hour/ (last visited October 15, 2024)
Annual frequency of more than 50 mm per hour rainfall occurring in Japan from 2014 to 2023 [Graph], JMA, February 19, 2024. [Online]. Available: https://www.statista.com/statistics/1083633/japan-frequency-50-mm-rainfall-per-hour/