Japan reveals new name for 40C-and-hotter days after blistering summer
The term - kokushobi - translates to "cruelly hot", "brutally hot" or "severely hot", and comes after Japan's hottest summer on record.
Coverage by Political Leaning
See how different sides of the spectrum reported this story
Key People
No people linked to this story
Locations
Tags
All Coverage
The term - kokushobi - translates to "cruelly hot", "brutally hot" or "severely hot", and comes after Japan's hottest summer on record.
The Japan Meteorological Agency has introduced 'kokushobi' as the official term for days when temperatures exceed 40°C, following a significant increase in such extreme heat days in recent years.
The Japan Meteorological Agency has added 'kokushobi' to its weather-forecast lexicon for days when temperatures exceed 40°C, highlighting the growing incidence of extreme weather in the country.
The Japan Meteorological Agency announced a new term, 'kokushobi', for days when temperatures exceed 40°C, following a record-breaking summer.
Japan's Meteorological Agency introduced 'kokushobi' to describe days exceeding 40°C, following the hottest summer on record.

The term 'kokushobi' translates to 'cruelly hot', 'brutally hot', or 'severely hot', and comes after Japan's hottest summer on record.
Similar Stories
Related coverage based on topic and tags
Half of Europe faced very strong heat stress this summer, EU scientists say - reuters.com
Half of Europe faced very strong heat stress this summer, EU scientists say reuters.com
October 2, 2026 at 02:11 AMJapan's corporate services inflation hits 2-year high - reuters.com
Japan's corporate services inflation hits 2-year high reuters.com
September 28, 2026 at 12:29 AMTokyo core inflation rate jumps in September, bolsters case for more BOJ hikes - Reuters
Tokyo core inflation rate jumps in September, bolsters case for more BOJ hikes Reuters
October 1, 2026 at 11:44 PMJapan's patchy business mood takes pressure off BOJ for immediate hike - Reuters
Japan's patchy business mood takes pressure off BOJ for immediate hike Reuters
October 1, 2026 at 12:12 AMEXCLUSIVE: Japan's currency diplomat Mimura urges markets to heed 'very clear' warning on yen - Reuters
EXCLUSIVE: Japan's currency diplomat Mimura urges markets to heed 'very clear' warning on yen Reuters
September 28, 2026 at 09:10 AMJapan's Takaichi protests to US after Marine accused of murder in Okinawa - Reuters
Japan's Takaichi protests to US after Marine accused of murder in Okinawa Reuters
October 4, 2026 at 03:43 AM