Key Facts
• July 30, 2025: Hyogo Prefecture recorded Japan’s highest temperature of 41.2°C.
• Tsunami warnings issued along the Pacific coast due to a Kamchatka Peninsula earthquake.
• Kinki region experienced its earliest rainy season end in June since records began.
• Kyoto had 25 days above 35°C in July, compared to the average of 6.7 days.
• Japan’s July temperatures broke records for the third consecutive year.
• Multiple locations in Kinki recorded over 40°C for the first time in history.
• Tsunami evacuation challenges included extreme heat and lack of cooling facilities.
• Heat-related risks during disasters include heatstroke and slower evacuation speeds.
• August 2025 forecast: Kinki region temperatures expected to remain above average.
• Preparedness tips: frozen water bottles, neck coolers, and portable fans for cooling.
Summary
July 2025 marked unprecedented heat in Japan, with Hyogo Prefecture recording a historic 41.2°C on July 30. This coincided with tsunami warnings along the Pacific coast due to a Kamchatka Peninsula earthquake, highlighting the dual challenges of extreme heat and disaster preparedness. The Kinki region experienced its earliest rainy season end, leading to a record-breaking number of hot days, including 25 days above 35°C in Kyoto. Nationwide, July temperatures broke records for the third consecutive year. Evacuations during such heat pose significant risks, including heatstroke and reduced evacuation speeds, especially in areas lacking cooling facilities. August forecasts predict continued above-average temperatures, emphasizing the need for proactive measures like frozen water bottles, neck coolers, and portable fans. As disasters do not adhere to seasons, integrating heat preparedness into disaster planning is crucial for safeguarding lives.
