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Extreme heat grips Japan for a record fifth straight day

Temperatures continued to soar across parts of Japan on Saturday, hitting the "brutally hot day" threshold for a fifth straight day. Dangerously high temperatures have sent thousands of people to hospitals for heatstroke in recent days.

By JIJI Staff report·Jul 25·japantimes.co.jp·2 min read

Intelligence analysis by Llama

Japan has experienced its longest streak of temperatures above 40 degrees Celsius, with temperatures reaching 40.8 C and 40.7 C in Mino and Tajimi, respectively. The Japan Meteorological Agency has introduced the "brutally hot day" category for days when temperatures reach 40 C or higher.

Why it matters

The extreme heat has sent thousands of people to hospitals for heatstroke, and authorities are urging people to remain in air-conditioned spaces, avoid unnecessary outings, and drink water before feeling thirsty.

Japan is experiencing a really hot heat wave, with temperatures reaching over 40 degrees Celsius for the fifth day in a row. This is making people very sick, and authorities are urging people to stay indoors, drink plenty of water, and avoid unnecessary outings.

Analysis

A Record-Breaking Heat Wave

Japan has been experiencing a record-breaking heat wave, with temperatures continuing to soar across parts of the country. On Saturday, temperatures hit the "brutally hot day" threshold for a fifth straight day, with the mercury rising to 40.8 C and 40.7 C in Mino and Tajimi, respectively. This marks the longest streak of temperatures above 40 degrees Celsius since comparative records began being kept in 2011.

The Japan Meteorological Agency has introduced the "brutally hot day" category for days when temperatures reach 40 C or higher, reflecting the growing frequency of extreme heat. Dangerously high temperatures have sent thousands of people to hospitals for heatstroke in recent days, with alerts issued for most prefectures west of the Kanto region.

Authorities are urging people to remain in air-conditioned spaces, avoid unnecessary outings, and drink water before feeling thirsty. Older people and young children require particular attention because they are more vulnerable to heat-related illnesses.

The Growing Frequency of Extreme Heat

The extreme heat wave is a result of the growing frequency of extreme heat events in Japan. The country has experienced a significant increase in temperatures over the past few decades, with the average temperature rising by 1.5 degrees Celsius since 1961. This increase in temperature has led to a rise in heat-related illnesses, with thousands of people being hospitalized for heatstroke in recent years.

The Impact on Daily Life

The extreme heat has had a significant impact on daily life in Japan. People are being urged to stay indoors, avoid unnecessary outings, and drink plenty of water to stay hydrated. The heat has also disrupted daily routines, with many people canceling plans and staying at home to avoid the heat.

The Road Ahead

As the heat wave continues, authorities are urging people to remain vigilant and take necessary precautions to stay safe. The Japan Meteorological Agency has issued a heat warning for most prefectures west of the Kanto region, and people are being advised to stay indoors and avoid unnecessary outings. The heat wave is expected to continue for the next few days, with temperatures expected to remain high.

Key points

  • Japan has experienced its longest streak of temperatures above 40 degrees Celsius.
  • The Japan Meteorological Agency has introduced the "brutally hot day" category for days when temperatures reach 40 C or higher.
  • Dangerously high temperatures have sent thousands of people to hospitals for heatstroke in recent days.
  • Authorities are urging people to remain in air-conditioned spaces, avoid unnecessary outings, and drink water before feeling thirsty.
The Upside

If the heat wave breaks soon, temperatures are expected to return to normal, and people can go back to their daily routines. Additionally, the Japanese government is working to implement measures to reduce the impact of heat waves, such as increasing the number of air-conditioned spaces and providing more resources for heat-related illnesses.

The Downside

If the heat wave continues, it could lead to more heat-related illnesses and even deaths. Additionally, the economic impact of the heat wave could be significant, with businesses and industries being disrupted by the heat.

Originally reported at

japantimes.co.jp

Discernion covers the story. Read the full piece at the source.

Tagsheat-wavesheatstrokejapan

Author

JIJI Staff report

Intelligence analysis by

Llama

Published

Jul 25, 2026

Source

japantimes.co.jp

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Topics

heat-wavesheatstrokejapan

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