Stories
Tokyo's 34-Day Rain Streak: Japan Grapples with 'Rain Fatigue' as Records Shatter
- •Tokyo experienced 35 consecutive days of rain, breaking its previous record of 33 days set in 2019.
- •The Japan Meteorological Agency includes even less than 0.5 millimeters of rain in its count, contributing to the extended rainy period.
- •A long-lasting autumn rain front, continuous typhoons, and low-pressure systems collectively caused Tokyo's unusually prolonged rainfall.
- •September in Tokyo recorded nearly three times the normal rainfall, indicating a significant increase in total precipitation.
- •'Rain Fatigue' describes the physical and mental exhaustion caused by continuous rain, low sunlight, and high humidity, impacting daily life.
Key Questions Answered
Tokyo experienced a record-breaking spell of continuous rain lasting 35 days from August 27 to September 30, breaking the previous record of 33 days set in 2019 and marking the heaviest continuous rainfall sequence in the past 140 years.
The extended rainy period was caused by a combination of a long-lasting autumn rain front formed by warm and humid air meeting cold northern air, moisture from multiple typhoons such as Typhoon Dujuan, and stationary low-pressure weather systems that prevented dry conditions.
Rain fatigue describes the physical and mental exhaustion caused by weeks of low sunlight, high humidity, and continuous rain. It leads to lower energy, difficulty drying clothes, disrupted sleep, irritability, and restricted outdoor activities.
