When the Seasons Lose Their Rhythm: India’s Changing Climate

In March 2026, farmers in northern Maharashtra were preparing for an important stage of the agricultural season when unseasonal rain damaged their crops. A preliminary assessment by the state agriculture department reported damage across 64,151 hectares, affecting more than 100,000 farmers. Nashik alone accounted for around 30,400 hectares of affected crops, including onions, wheat, maize, vegetables, pomegranates and bananas.
The problem was not simply that rain had fallen. The problem was that the rain had arrived at the wrong time.
For generations, India’s farmers have planned their lives around the rhythm of the seasons. The arrival of summer, the first monsoon showers, the retreat of the rains and the cooler months have never been perfectly predictable, but they followed patterns people could learn and prepare for. Today, that rhythm is becoming harder to read.
Climate change is often described as a rise in temperature. But for India, the story is larger than a thermometer. It is also about when the heat arrives, when the rain falls, how intensely it falls and how long dry periods last between rainy spells. A season does not have to disappear to become dangerous. It only has to become less reliable.

The rhythm we once depended on

India traditionally experiences winter from December to February, the pre-monsoon or summer period from March to May, the southwest monsoon from June to September, and the post-monsoon period from October to November. These seasons are shaped by large-scale movements of the atmosphere, land and oceans.
But climate change is disturbing some of these familiar patterns.
The India Meteorological Department’s climate assessment shows a clear long-term warming trend. Its latest annual assessment reported that 2025 was India’s eighth warmest year since nationwide records began in 1901, with the annual mean land surface air temperature 0.28°C above the 1991–2020 average. The previous year, 2024, was the warmest on record, at 0.65°C above that average.
The warming is not experienced equally throughout the year. In 2025, the winter months of January and February were 1.17°C above the long-term average, while the pre-monsoon season was 0.29°C above average.
This matters because seasonal timing is part of how societies function. Farmers decide when to sow. Water managers plan storage. Cities prepare for heat. Plants flower and reproduce according to environmental signals. When those signals shift, the consequences can spread far beyond the weather report.

When winter begins to feel like summer

One of the clearest changes is the increasing frequency of unusually warm conditions.
In February 2026, Delhi experienced several unusually hot days, with temperatures crossing 30°C and reaching several degrees above normal. Such episodes may appear temporary, but repeated periods of unusual warmth can affect water demand, energy consumption, agriculture and human health.
The issue is not that India will suddenly stop having winter. Rather, in many places the transition between seasons can become less distinct and more erratic. A shorter or warmer cool season followed by an early spell of intense heat gives people and ecosystems less time to adjust.
This is why the phrase “vanishing spring” captures something important, but should be used carefully. India has not simply lost spring. Instead, the comfortable transition between colder and hotter conditions can become compressed, with abrupt changes making the weather feel as though it has skipped a step.
And heat does not remain only a human problem. Plants, animals and insects respond to temperature and rainfall cues. When these cues change, relationships within ecosystems can also be disturbed.

The monsoon: too much, too little, too late

If there is one rhythm India depends upon more than almost any other, it is the monsoon.
The southwest monsoon supplies a major share of India’s annual rainfall and supports agriculture, reservoirs, groundwater and everyday water needs. Yet the danger is not simply a reduction in rainfall. Rainfall can become more uneven.
The India Meteorological Department revised the normal withdrawal date of the monsoon from northwest India in 2020, moving it from September 1 to September 17 after analysing a larger and more recent dataset. This was a revision of the climatological baseline, not proof that climate change alone had delayed the monsoon. But it provides a more appropriate reference point for studying changes in seasonal behaviour.
Research has also shown how rainfall can become more extreme even when seasonal rainfall totals do not rise.
A study published in Nature Communications found a threefold increase in widespread extreme rainfall events over central India between 1950 and 2015. The study also found that mean monsoon rainfall in central India declined by about 10%, while the frequency of daily extreme rainfall events increased.
This creates a troubling contradiction: a region can experience longer dry periods while also receiving more intense bursts of rain.
Imagine a farmer waiting for water. Two weeks without useful rain can damage a crop. Then, when rain finally arrives, an intense downpour may fall so quickly that the soil cannot absorb it effectively. Instead of becoming a steady supply of moisture, much of the water may run off, causing erosion, waterlogging or flooding.
For agriculture, the timing of rain can matter almost as much as the amount of rain.

When nature changes its calendar

The effects do not stop at farms.
India’s agriculture follows seasonal cycles such as Kharif, Rabi and Zaid. Crops need suitable combinations of temperature, moisture and sunlight at particular stages of growth. A sudden heatwave, an unexpected dry spell or heavy rain at harvest time can disrupt that cycle.
The 2026 experience in northern Maharashtra shows how quickly this can happen. Repeated unseasonal rainfall damaged thousands of hectares of crops at a time when farmers had invested months of labour and resources.
Water is another part of the same story.
When rainfall becomes unreliable, communities may depend more heavily on groundwater. When groundwater is already under pressure, irregular rainfall can make recovery harder. At the same time, intense rainfall can damage infrastructure, contaminate water sources and overwhelm drainage systems.
Climate change also affects ecosystems. Plants may flower earlier or later, insects may change their activity, and animals may be forced to alter their movement or breeding patterns. A small change in one part of an ecosystem can create consequences elsewhere because nature is not a collection of isolated parts. It is a network.
This is particularly important in a country as geographically diverse as India. A climate problem in a Himalayan ecosystem does not look identical to one in a coastal city or a dry agricultural district of Karnataka. The hazards vary, but the underlying challenge is similar: systems designed around relatively familiar climatic patterns must cope with greater uncertainty.

Understanding why the rhythm is changing

Climate change does not operate through one simple mechanism.
The warming of the atmosphere and oceans changes the conditions under which weather systems develop. A warmer atmosphere can contain more water vapour, while changes in ocean temperatures and atmospheric circulation can influence where and when that moisture is transported.
The research on extreme rainfall in central India illustrates this complexity. The Nature Communications study linked the increase in widespread extreme events to greater variability in low-level monsoon winds over the Arabian Sea and increased moisture transport towards central India. The authors also noted that the mechanisms connecting warming and extreme rainfall remain an area of scientific investigation.
That uncertainty should not be mistaken for ignorance. Scientists do not need to know the exact cause of every individual rainfall event to recognise long-term changes in climate patterns.
The important lesson is that climate change is not a switch that simply turns the country from “normal weather” to “hot weather”. It changes the background conditions in which heat, rain, droughts and storms occur.

We cannot control the season, but we can prepare for it

The response must therefore have two sides: adaptation and mitigation.
Adaptation means preparing for the climate risks that people are already facing. Farmers can use climate-resilient crop varieties, diversify crops and adjust sowing practices when weather conditions change. Cities can strengthen heat-action plans, improve early warnings and provide safer spaces during extreme heat. Water management can focus on conservation, groundwater recharge and more efficient use.
India’s National Action Plan on Climate Change includes eight core national missions covering areas such as solar energy, energy efficiency, water, sustainable agriculture, forests and climate knowledge. These missions were designed to address both adaptation and mitigation.
But adaptation alone cannot solve the problem.
Mitigation means reducing the greenhouse-gas emissions that drive long-term warming. India is expanding non-fossil energy and has strengthened its climate commitments. Its current official target is to reach net-zero emissions by 2070, not 2050.
This distinction matters. Adaptation protects people from risks that are already here. Mitigation helps limit how severe future risks become. One deals with the changing conditions around us; the other works to prevent those conditions from becoming even more dangerous.
India therefore needs resilient farms, reliable water systems, stronger cities and better early-warning systems. At the same time, it needs cleaner energy, greater efficiency, healthier ecosystems and sustained efforts to reduce emissions.

Finding the rhythm again

The changing climate is not only a story about hotter summers. It is a story about uncertainty.
A farmer cannot easily plan when rain arrives too late and then falls too heavily. A city cannot depend on yesterday’s climate when tomorrow’s heat may be different. An ecosystem cannot instantly rewrite the relationships built over centuries.
The answer is not to fear every unusual weather event. Weather has always been variable. The real warning lies in the long-term patterns: India’s continued warming, increasingly unusual heat, and evidence of more extreme rainfall in parts of the country.
The seasons do not owe us perfect predictability. But human societies have built agriculture, water systems and entire ways of life around their rhythms.
Now that rhythm is changing.
We cannot control every season that lies ahead. But we can decide how prepared we are when it arrives, how carefully we use the resources it gives us, and how much further we allow the climate to change.
The question is no longer whether the seasons are changing. The question is whether we will change our way of living quickly enough to live safely within them.

WriteToWin Monsoon 2026