This is a list of serious heat waves in India.
| Year | Duration | Max. temperature | Deaths | Ref |
|---|---|---|---|---|
| 1956 | 50.6 °C (123.1 °F) | [1] | ||
| 1995 | June | 45.5 °C (113.9 °F) | >350 | [2] |
| 1998 | May–June | 49.5 °C (121.1 °F) | 2,500 | [1] |
| 2002 | April–May | 49 °C (120 °F) | 1030 | |
| 2015 | May–June | 49.4 °C (120.9 °F) | 2500 | |
| 2016 | April–May | 51.0 °C (123.8 °F) | 160 | |
| 2019 | May-June | 50.8 °C (123.4 °F) | 184 [note 1] | |
| 2022 | March-June | 49.2 °C (120.6 °F) | 90 | |
| 2023 | April–June | 46.2 °C (115.2 °F) | 111 | [3] |
| 2024 | April-June | 52.9 °C (127.2 °F) | 411 |
Recent computerization of healthcare and adoption of diagnostic codes like ICD-10 makes tracking of causality during estimation harder, resulting in underestimations, despite more complete data being available upon diagnosis. [4] [5]