Japan observed its hottest November day on record on November 3, 2023, with over 300 weather stations reporting record-breaking temperatures for this time of year.
Japan experienced its warmest September on record in 2023, with a national monthly temperature that was 2.66 °C (4.79 °F) higher than the standard. The record-breaking temperatures were particularly pronounced in the eastern and western regions of the country.
Tropical Storm “Yun-yeung” formed on September 5, 2023, as the 13th named storm of the 2023 Pacific typhoon season. The cyclone is heading toward Japan, where it is expected to make landfall on September 8, bringing heavy rains and strong winds.
Tropical Cyclone “Lan” made landfall near Cape Shionomisaki in Japan’s Wakayama Prefecture just before 05:00 LT on Tuesday, August 15, 2023 (20:00 UTC, August 14), with winds near 160 km/h (100 mph) — equivalent to a Category 2 hurricane in the Atlantic.
An analysis by the Asahi Shimbun, based on data from the Japan Meteorological Agency (JMA), indicates that July 2023 was the hottest month in Japan since modern records began in the late 19th century. The previous record was set in 1978, making this the first time in 45 years that it has been surpassed.
Severe rainstorms resulted in destructive mudslides and flooding in Japan’s southwestern region on July 10, 2023, leading to at least five fatalities and leaving three people missing. With record-breaking rainfall, over 420 000 people were under the highest level of evacuation warning by the Japan Meteorological Agency (JMA).
On Saturday, July 8, 2023, heavy rains caused extensive damage in Shimane Prefecture and other western Japanese regions, prompting local authorities to urge approximately 370 000 residents in two cities to evacuate. Landslides and river floods have occurred in Izumo City, disrupting transportation, although vital services remained intact.
On Saturday, July 1, 2023, parts of Western Honshu and the Kyushu region in Japan were hit with record-breaking rainfall, resulting in one confirmed fatality, two missing individuals, and extensive damage to over 270 homes. This extreme weather event has prompted evacuation orders in several municipalities.
More than 2 million people were ordered to evacuate their homes as Tropical Storm “Mawar”, accompanied by a severe weather front, brought heavy rains and caused widespread damage in Japan on June 2, 2023, triggering floods and landslides.
The Japan Meteorological Agency (JMA) has announced a record-breaking average spring temperature for 2023. According to the agency, this year’s spring temperature surpassed the highest record set in 1998.