Archive · 22 Jul 2026
Japan faces brutally hot summer days
Japan is experiencing extremely hot weather, with temperatures reaching up to 40°C in some areas.
The government has introduced a new category called 'kokushobi' for days when temperatures are this high.
Many people have been taken to the hospital due to heatstroke, and some have died.
The weather agency has issued alerts for much of the country.
This extreme heat is part of a trend of increasingly severe summers in Japan.
Japan experiences 'brutally hot' days with temperatures reaching 40°C.
Government introduces 'kokushobi' category for days with temperatures 40°C or higher.
Over 100,000 people hospitalized for heatstroke during the 2025 summer season.
4,580 people taken to hospital for heatstroke between July 6 and 12, including seven deaths.
Japan recorded its all-time high temperature of 41.8°C last year.
- Who
- Residents of Japan
- What
- Extreme heat wave
- When
- July 22, 2025
- Where
- Japan
- Why
- Increasingly severe summers due to climate change
Climate Change Deniers
Climate Change Advocates
Cause of Extreme Heat
Climate Change Deniers
Natural climate variability
Climate Change Advocates
Human-induced climate change
- Highest Temperature Recorded
- 41.8°C
- Heatstroke Alerts Issued
- Much of Japan
- New Category Introduced
- Kokushobi (Brutally Hot Day)
- Hospitalizations Due to Heatstroke (July 6-12)
- 4,580
- Deaths Due to Heatstroke (July 6-12)
- 7
- Total Heatstroke Hospitalizations (2025 Summer)
- Over 100,000