The Indian Meteorological Department (IMD), which forecasts a stark warning as summer heat builds, as India braces for hotter-than-usual May 2025, with temperatures predicted to surge to record highs, the weather agency predicts that heatwave days will almost triple, going from three to seven. Declared on April 30, 2025, this dire forecast emphasises the growing influence of climatic variability on India’s weather patterns. In particular, Northern, Western, and Central India are expected to see above-normal daytime and nighttime temperatures, while some southern and eastern regions can see comparatively milder conditions. The IMD also predicts a 10% increase in rainfall amid this heat, providing some respite as the monsoon draws near.

Rising Heatwave Days and Regional Impacts

As India braces for hotter-than-usual May, states like Rajasthan, Haryana, Punjab, Madhya Pradesh, Uttar Pradesh, Bihar, Jharkhand, and Gangetic West Bengal will see a surge of one to four more days of heatwaves. According to PTI, this increase highlights how intense the summer heat is becoming in these areas, where the consequences of excessive temperatures would be most noticeable. With maximum and minimum temperatures remaining above average, the unrelenting heat is predicted to strain resources in Northern, Western, and Central India. Particularly in cities where the urban heat island effect intensifies already high temperatures, this could increase the risks of heatstroke and dehydration. In the meantime, below-normal temperatures could be experienced in southern and eastern India, offering some relief but not completely bucking the general trend of a warmer May. To lessen the impact on vulnerable people, the IMD’s warning urges preventative actions, including ensuring a sufficient water supply and preparing healthcare systems for heat-related illnesses.

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Rainfall Increase and Monsoon Prospects

There is a bright side to the sweltering forecast: May rainfall is predicted to be 10% higher than the typical average of 64 mm, or roughly 70 mm nationwide. This increase in northern, central, southern, and eastern India is expected to provide some respite from the extreme heat. The Indian Ocean Dipole (IOD) and El Niño will stay neutral throughout this time, according to the IMD, which credits this to favourable weather conditions. The impending monsoon, which the IMD predicts will reach Kerala by the end of May, is anticipated to be positively impacted by these neutral circumstances. Additionally, the entire nation is expected to see a monsoon that is 105% above normal, which would benefit water resources and agriculture. Because of the neutral IOD, which generally promotes steady rainfall patterns and the lack of El Niño’s drying effect, this prognosis is consistent with previous projections of a strong monsoon season. In locations not used to above-normal precipitation, especially in the northeast, the increased rainfall raises concerns about possible flooding, even while it may help to moderate the heat in certain places.

The simultaneous predictions of intense heat and more rain complicate India’s May 2025 forecast. The doubling of hot days indicates the necessity for adaptation measures to safeguard infrastructure and public health, particularly in the most impacted areas. However, there is also hope for agricultural output and water security due to the forecast of above-normal rainfall and a robust monsoon. The IMD’s early warning serves as a reminder of the challenges posed by a changing climate and the significance of being prepared in the face of growing weather extremes as India prepares for these different weather patterns.

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