El Niño is a climate pattern involving the periodic warming of sea surface temperatures in the central and eastern equatorial Pacific Ocean. It disrupts global atmospheric circulation, often weakening India’s southwest monsoon (June–September), which supplies ~70-80% of the country’s annual rainfall and is critical for agriculture.
As of April 2026, the Pacific is transitioning from a fading La Niña (which brought above-normal rains in 2025) toward ENSO-neutral conditions. Multiple global models (NOAA/CPC, IRI, ECMWF) indicate a high likelihood (61-62%) of El Niño emerging by June–August 2026, with odds rising further later in the year. It could persist through the end of 2026 and potentially become strong or even a “Super El Niño.”
2026 Monsoon Forecast and El Niño Link
Private forecaster Skymet Weather (early April 2026 forecast) predicts below-normal rainfall at 94% of the Long Period Average (LPA) — about 817 mm versus the normal 868.6 mm (a ~6% deficit). This is directly attributed to El Niño strengthening in the latter half of the season.
Key details:
- June: Near-normal (~101% LPA) — potentially a good start, especially in southern and coastal areas.
- July: Slightly below (~95% LPA).
- August: Deficient (~92% LPA) — critical for crop growth.
- September: Significant deficit (~89% LPA).
There is a 30% chance of drought and 40% chance of below-normal rains overall (70% combined risk of subpar conditions). Rainfall is expected to be uneven, with short active spells and prolonged weak phases, worsening in the second half.
The India Meteorological Department (IMD) is expected to release its official first-stage forecast soon (likely mid-April 2026). Early indicators align with Skymet’s outlook, though the IMD has not yet quantified it.
Regional outlook (per Skymet):
- Higher risk of deficits/drought: North, west, and central India (e.g., Punjab, Haryana, Rajasthan, Gujarat, parts of Madhya Pradesh).
- Relatively better/normal: Southern peninsula (including Tamil Nadu), Western Ghats (Kerala, coastal Karnataka, Konkan), eastern/northeastern states (Bihar, West Bengal, Assam).
Direct Effects on Indian Agriculture in 2026
India’s agriculture is highly monsoon-dependent, with ~50% of net sown area rainfed. El Niño-driven deficits historically correlate with reduced kharif (summer) crop output — data from past moderate-to-severe events show an average ~5.7% drop in kharif foodgrain production and ~9.7% lower monsoon rainfall.
Specific risks for 2026:
- Kharif crops (paddy/rice, maize, soybeans, cotton, pulses): Sowing in June–July could be affected by uneven rains; July–August deficits would hit critical vegetative and grain-filling stages, leading to lower yields, reduced sowing areas, and possible crop stress or failure in rainfed regions.
- Water resources: Lower reservoir/pond levels and groundwater recharge → irrigation shortages, higher reliance on scarce groundwater, and potential drinking water issues by summer 2027.
- Key vulnerable areas: Punjab, Haryana, Rajasthan (major wheat/rice belts, though kharif focus here); central and western dryland farming zones. Southern states like Tamil Nadu may fare better with more normal rains but could still see indirect effects via national supply chains.
- Broader economic ripple effects: Lower output → higher food prices and inflation risk (RBI has already flagged El Niño as a concern). Rural distress possible if rains weaken significantly; increased power demand (heat + less hydro generation).
Not all bad news: A full-blown drought is not guaranteed (only 30% probability per Skymet), and positive factors like a possible Indian Ocean Dipole could partially offset El Niño in some years. Eastern and southern pockets may see supportive rains.
Historical note: Not every El Niño causes disaster (e.g., 1997 and 2006 had normal monsoons due to other factors), but the 2026 outlook carries clear risks similar to past deficit years.
Bottom line for 2026: El Niño is expected to make the monsoon weaker and more erratic than 2025, posing challenges mainly to kharif agriculture in northern/central/western India through water stress and yield reductions. Farmers in high-risk zones should monitor official IMD updates (expected soon), consider drought-resistant varieties, efficient irrigation, and contingency planning. Government and insurers often step in with support if conditions worsen.
This is based on early April 2026 forecasts; the situation could evolve as models refine. For the latest, check IMD or Skymet updates in the coming weeks.
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