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March 2026
There is a particular kind of denial that settles in slowly in places where the weather has always been harsh. In Jharkhand, summers have always been hot. People have always managed. Ceiling fans, earthen pots, afternoon rest. The heat was part of life. So when climate researchers started publishing numbers about rising temperatures and shrinking water tables, a large portion of the public response was a shrug. It has always been like this. It will be fine.
It will not be fine. And the numbers now say so with a precision that leaves very little room for that shrug.
Between 1990 and 2024, Jharkhand recorded 590 heatwave days. That sounds large but the distribution is what makes it alarming. Of those 590 days, 431 occurred in the 25-year period between 2000 and 2024. The earlier 10 years, 1990 to 1999, accounted for the remaining 159 days. The state has seen a 300 percent increase in heatwave days over the full 35-year period, according to a report published by the Centre for Environment and Energy Development in May 2025. In 1990, Jharkhand recorded 7 heatwave days. In 2024, it recorded 21, the highest single-year count in the state’s recorded climate history. The year 2023 saw 12 prolonged periods of extreme heat. The escalation from 2023 to 2024 was not gradual. It was a jump.
The seasonal concentration of these events is also changing in a way that residents are beginning to notice even without reading reports. Historically, severe heat in Jharkhand was a May phenomenon. May still contributes the highest count, 275 of the 590 total heatwave days, followed by April at 183 and June at 132. But 2025 introduced something entirely new. On March 15, 2025, Jharkhand recorded its first warm night conditions of the year, nearly six weeks earlier than in 2024, when warm nights arrived on May 29. Warm nights, where the minimum overnight temperature stays dangerously high, are in many ways more damaging to human health than peak afternoon temperatures because the body never gets a chance to recover. The window for overnight cooling that made previous decades survivable is shortening.
Ranchi, the state capital, has been transformed from what was once called the summer capital of Bihar, a hill station escape for the plains, into what environmentalists now call an urban heat island. The average maximum temperature in Ranchi between 1969 and 2014 was 35.8 degrees Celsius. Between 2015 and 2021, that average had risen to 36.7 degrees. In February 2023, the city recorded its hottest February in 123 years at an average of 29.66 degrees Celsius, surpassing even the 1901 record of 29.48 degrees. March 2023 recorded an average of 33.10 degrees Celsius, the highest in 122 years. In the space of two years, Ranchi broke temperature records that had stood for over a century.
The causes identified by researchers are not abstract global forces. They are local, specific, and to a significant degree reversible if addressed. Mining activity across Jharkhand’s mineral-rich districts disturbs soil and vegetation cover, increasing the absorption of solar radiation. Deforestation removes the natural cooling provided by tree canopy. Urbanisation replaces permeable land surfaces with concrete and asphalt that store and radiate heat. Jharkhand, critically, does not benefit from the sea breeze that moderates temperatures in coastal states. Without that natural moderating mechanism, every degree of local heating compounds without relief.
The water crisis running parallel to the heat crisis is the less visible but equally serious dimension of the same problem. Jharkhand receives an average annual rainfall of 1,350 millimetres, which should be sufficient. The problem is not the quantity. It is rain capture and groundwater retention. The state’s largely rocky and plateau terrain, ideal in some ways for mineral extraction, presents serious challenges for groundwater recharge. Water that falls on hard impermeable rock surfaces runs off rather than percolating into aquifers. Over decades, groundwater extraction by agriculture, industry, and expanding urban populations has consistently outpaced recharge rates. A 2024 international journal paper on Jharkhand’s water systems documented falling groundwater prospects across Ranchi and surrounding districts, noting that pond destruction and the removal of old tree systems have significantly impaired the natural water retention capacity of the landscape.
The contamination data compounds the quantity problem. The Central Ground Water Board’s 2024 groundwater quality assessment found that Jharkhand is among the states most affected by iron contamination, with 13.2 percent of monitored groundwater samples exceeding the Bureau of Indian Standards limit. High iron levels are not simply a water quality issue. They indicate deeper patterns of geological and chemical change in aquifers that are under increasing extraction pressure.
Perhaps the most striking single statistic about Jharkhand’s long-term climate trajectory comes from a study cited by the state’s own environmentalists. Jharkhand is facing desertification and soil erosion affecting 69 percent of its total geographical area. For comparison, Rajasthan, the state most associated in the national imagination with desert conditions, has 62 percent of its area affected. Gujarat has 52 percent. Odisha has 34 percent. Jharkhand, a state covered in forests and mineral wealth, is ahead of all of them on this measure. The soil is losing its capacity to hold water. The trees that once provided shade and rainfall interception are gone from large swaths of the state. The land is drying faster than it is recovering.
India as a whole experienced extreme weather on 331 of 334 days in 2025, according to the Centre for Science and Environment’s year-end analysis. Jharkhand recorded 478 climate-related deaths in 2025, placing it among the states with the highest climate fatalities in the country. These deaths are not abstractions. They are outdoor workers collapsing in fields, elderly residents in homes without cooling, children whose bodies cannot regulate temperature the way adults can.
The IMD has predicted above-normal temperatures across most of India through the summer of 2026, and longer heatwaves for the states in the Core Heatwave Zone, of which Jharkhand is formally a part. The forecasts for this coming summer are not more of the same. They are more than last year, which was already more than the year before.
Jharkhand has always been a state where the land gives a great deal and the people living on it receive relatively little of that value back. The climate crisis is following the same pattern. The state is absorbing consequences that are partly global in origin but concentrated locally by decisions about land use, extraction, and urban growth that were made without adequate regard for what they would cost. The cost is now becoming visible in the temperature of the air, the depth of the water table, and the health of people who have no mechanism to move somewhere cooler.
