What Is El Niño and Why Does It Worry India's Farmers Every Year?
4 min read / 2026-07-14
Many students and parents want to know why a warming ocean far away in the Pacific can mean less rain in India and higher prices for rice or wheat back home.
What it means
El Niño is a natural warming of surface water in the central and eastern Pacific Ocean, near South America. It happens every two to seven years and is not caused by human pollution, though climate change can make its effects stronger. Scientists watch it closely because that warm water changes wind patterns and rainfall all over the world, including in India.
How it works
Normally, winds push warm Pacific water toward Asia, which helps pull moist air toward India during the monsoon (the rainy season from June to September). During El Niño, that warm water shifts eastward instead, weakening the winds that usually carry rain clouds to India. This can mean a delayed monsoon, patchy rains, or an overall drier season, though the effect is not the same every single year.
A simple example
Think of India's monsoon like a school water cooler that gets refilled from one big tank. Most years, the tank fills up on schedule and everyone gets enough water. In an El Niño year, the pipe delivering water to the tank slows down. The cooler might still work, but there could be days when it runs low, just like farmers might get less rain than their kharif crops (rice, pulses, cotton) need to grow well.
Why people talk about it
Around 60 percent of Indian farmland depends on monsoon rain rather than irrigation canals or borewells, so a weak monsoon can lower harvests of rice, pulses, and sugarcane. Lower harvests can push up food prices in markets and kirana shops. This is exactly why a full government grain stockpile, built up over the past year, matters right now: it gives officials a cushion to release rice and wheat into the market if El Niño does reduce this year's rains.
What to remember
El Niño raises the risk of a weaker monsoon, but it is a probability, not a guarantee, since local weather, irrigation, and government stockpiles can soften the impact. India's meteorological agencies track ocean temperatures all year to give farmers, traders, and policymakers advance warning so they can plan sowing, storage, and prices ahead of time.
Key words
El Niño
A periodic warming of Pacific Ocean surface water that can weaken monsoon winds and reduce rainfall in India.
La Niña
The cooling opposite of El Niño, often linked to stronger monsoon rains in India.
Kharif crops
Crops like rice, pulses, and cotton that are sown when monsoon rains begin and harvested in autumn.
Monsoon
The seasonal wind pattern bringing most of India's yearly rainfall between June and September.
Key facts
- 1El Niño is a periodic warming of central and eastern Pacific Ocean surface waters, occurring roughly every two to seven years.
- 2Around 70 percent of India's annual rainfall arrives during the June-to-September monsoon season, according to the India Meteorological Department.
- 3El Niño years have historically been linked to below-average monsoon rainfall in India, though not every El Niño year brings drought.
- 4La Niña, the cooling opposite of El Niño, is often linked to stronger, wetter monsoons in India.
- 5Government agencies like the Food Corporation of India store rice and wheat specifically to release into markets if a poor monsoon reduces harvests.
Why it matters
Because most Indian farming depends on monsoon rain, an El Niño warning is one reason officials build up grain stockpiles in advance to protect food prices for millions of families.
Sources
- India Meteorological Department
- Food Corporation of India
- National Oceanic and Atmospheric Administration (NOAA)
