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 timesMost 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.

于2023年，日本共发生超过每小时80毫米强降雨17次。在观测期内，此类强度降雨的最高发生频率出现在2020年，达到了35次。日本大部分降雨均发生在雨季，该季节自六月上旬延续至七月中旬。强降雨通常由台风引起，这些台风形成于太平洋，并在七月至十月间定期接近群岛。