Japan Heat Record Smashed As Gunma Prefecture Hits 41.8 C; Heatstroke Alerts Issued for 44 Prefectures Across Nation
- Posted on August 5, 2025
- By The Japan News
- 2 Views

Japan Heat Record Smashed As Gunma Prefecture Hits 41.8 C; Heatstroke Alerts Issued for 44 Prefectures Across Nation

A scorching 41.6 C was recorded in Isesaki, Gunma Prefecture, at 2:20 p.m. Tuesday, shattering the all-time high for Japan. Just six minutes later, that record was broken again, when the temperature climbed even higher to 41.8 C.