Eastern Africa Pop. 3.6M Capital: Asmara 5 articles · good coverage

Eritrea

Severe impact · 8/10 Typically drier in El Niño years
What changed since 9 Oct 2026

Score moved 9 → 8 . “WMO and FAO both flag the Horn of Africa as El Niño's sharpest rainfall loser — Eritrea's Kiremt season is already running dry”

WMO's August 2026 statement and ReliefWeb's Eastern Africa preparedness alert place Eritrea squarely inside the Horn of Africa region where El Niño is expected to suppress seasonal rainfall, and reanalysis for 9 July–6 October 2026 confirms rainfall 18% below the 1991–2020 normal. Temperatures over the same window ran 2.8°C above normal, intensifying evaporation and heat stress on both people and crops. FAO's July 2026 call for anticipatory action warns that cereal production and food security across the continent are at risk, with the Meher harvest now likely to be delayed by about a month.

Sources: [1][2][3] · AI-summarised from 5 articles
RAINFALL · LAST 90 DAYS
-18%

302.5 mm vs 369.4 mm normal

Reanalysis for 9 July–6 October 2026 shows rainfall 18% below the 1991–2020 normal, consistent with the canonical El Niño signal of weaker Kiremt rains over Eritrea.

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TEMPERATURE · LAST 90 DAYS
+2.8°C

23.21°C mean vs 20.41°C normal

Mean temperatures for the same window ran 2.8°C above normal, an extreme anomaly that amplifies evaporation stress on soils and crops.

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SIGNAL CHECK
Signal showing

El Niño typically makes Eritrea drier. Observed rainfall is running -18% — in line with the canonical response.

NASA POWER (MERRA-2) reanalysis, 9 Jul 2026 – 6 Oct 2026, sampled at the country centroid (15.0°, 39.0°). Normals are 1991–2020. How this is computed

When it matters

Agricultural calendar for Eritrea and where the El Niño impact window falls

JFMAMJJASOND
Peak El Niño impact
Belg rains
Kiremt rains
Meher harvest
Lean season
Peak El Niño impactRainy seasonHarvestLean season Peak-impact window begins in 9 months. Deficit Kiremt rains cut main-season harvest.

Last 12 months vs normal

Observed monthly rainfall against the 1991–2020 climatology

050100150200250Nov2025: 0.6 mm (normal 5.6 mm)NovDec2025: 3.1 mm (normal 3.3 mm)DecJan2026: 3.9 mm (normal 2.7 mm)JanFeb2026: 0 mm (normal 4.4 mm)FebMar2026: 16.8 mm (normal 15.3 mm)MarApr2026: 44.5 mm (normal 27.8 mm)AprMay2026: 14.4 mm (normal 30.2 mm)MayJun2026: 5.4 mm (normal 44.2 mm)JunJul2026: 55.2 mm (normal 165.6 mm)JulAug2026: 232.7 mm (normal 182.3 mm)AugSep2026: 19.4 mm (normal 43 mm)Sep
Observed monthly rain (mm) 1991–2020 normal

Sector by sector

Agriculture

Below-normal Kiremt rainfall and a delayed Meher harvest are expected to cut sorghum, millet and maize yields, with FAO warning of rising food insecurity across the continent.

Water & flooding

Reduced seasonal recharge is likely to lower reservoir and borehole levels, straining urban supply in Asmara and pastoral water points in the lowlands.

Health

WMO warns of escalating El Niño health impacts, with heat stress, waterborne disease from scarce and contaminated supplies, and worsening child malnutrition as key risks.

Energy

Falling reservoir levels are expected to curb hydropower output, increasing reliance on imported fuel for thermal generation.

Fisheries

Warmer coastal waters off the Red Sea may shift fish stocks and stress artisanal catches, while heat raises spoilage risk for small-scale fishers.

What happened last time

Past El Niño episodes and how Eritrea responded. See the full ENSO timeline →

2023-24

Strong El Niño conditions again suppressed seasonal rains in the Horn of Africa, compounding food insecurity and water shortages in Eritrea and its neighbours.

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2015-16

A very strong El Niño coincided with severe drought across the Horn of Africa, driving failed harvests and large-scale humanitarian needs in Eritrea and the wider region.

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1997-98

One of the strongest El Niño events on record brought markedly deficient Kiremt rains to the Horn of Africa, contributing to crop failure and food insecurity in Eritrea and neighbouring countries.

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