Frequency of more than 80 mm per hour rainfall Japan 2014-2023
In 2023, heavy rainfall of more than 80 millimeters per hour occurred 17 times in Japan. Within the observed period, the highest frequency of rain of this magnitude has been recorded in 2020 with 35 times
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.