By 2030, Mumbai, Delhi & 6 Other Cities to See Twofold Rise in Heatwaves
India is on the brink of a major climate crisis, with a new study revealing that by 2030, major cities such as Mumbai, Delhi, Chennai, and five others are expected to witness a two-fold increase in heatwave days. Conducted by IPE Global and Esri India, the study also highlights a 43% rise in the intensity of extreme rainfall events, pointing to a future where the country becomes both hotter and wetter. Released during the International Global-South Climate Risk Symposium in New Delhi, the findings raise urgent concerns about the growing vulnerability of Indian urban centres to climate extremes, underscoring the need for immediate risk mitigation and adaptive planning.
A new joint study by IPE Global and Esri India, titled ‘Weathering the Storm: Managing Monsoons in a Warming Climate’, has revealed that by 2030, India’s major cities—including Mumbai, Delhi, Chennai, Surat, Hyderabad, Patna, Bhubaneswar, and Thane—are likely to experience a two-fold increase in heatwave days. The study was released on June 10, 2025, during the International Global-South Climate Risk Symposium in New Delhi, ahead of the 62nd UNFCCC session in Bonn, Germany.
| Summary/Static | Details |
| Why in the news? | By 2030, Mumbai, Delhi & 6 Other Cities to See Twofold Rise in Heatwaves |
| Cities affected | Mumbai, Delhi, Chennai, Thane, Hyderabad, Surat, Patna, Bhubaneswar |
| Heatwave trend | Twofold increase by 2030 |
| Extreme rainfall | 43% rise in intensity |
| Coastal heat stress | 69% (2030), rising to 79% (2040) |
| Key risks | Heat stress, erratic rainfall, storm surges, hailstorms |
| Proposed intervention | Climate Risk Observatory, risk financing, heat-risk champions |
| Technological solution | GIS mapping, real-time climate model monitoring |
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