Dominican Republic
Score moved 6 → 5 (high impact → moderate impact). “A record-strength El Niño is reshaping the Caribbean's storm and rain outlook”
A strengthening El Niño, described by scientists as potentially the strongest this century, is now the dominant climate signal for the Dominican Republic and the wider Caribbean. Articles report that the pattern is suppressing Atlantic hurricane activity, lowering storm risk for the region, while the Inter-American Development Bank's 2026-2027 monitoring tool and IOM analysis flag the classic El Niño hazard for the country: drier-than-normal conditions and heat stress on agriculture and water supplies. Measured conditions for 9 July–6 October 2026 show rainfall about 80% above normal and temperatures about 1.0°C above normal, a wetter and warmer window than the canonical El Niño drying signal would suggest, so the key question is whether the coming wet-season rains arrive on schedule.
271.2 mm vs 150.8 mm normal
Measured rainfall for 9 July–6 October 2026 ran about 80% above the 1991–2020 normal, even though this window falls in the climatological dry season when totals are normally under 20 mm, so the meaningful signal is the outlook for the coming wet-season rains rather than a percentage anomaly.
News source24.08°C mean vs 23.05°C normal
Mean temperatures for the same window came in about 1.0°C above normal, consistent with the strong El Niño conditions described in the articles.
News sourceEl Niño typically makes Dominican Republic drier. Observed rainfall is running +80% — against the canonical response; local factors are dominating.
NASA POWER (MERRA-2) reanalysis, 9 Jul 2026 – 6 Oct 2026, sampled at the country centroid (19.0°, -70.7°). Normals are 1991–2020. How this is computed
When it matters
Agricultural calendar for Dominican Republic and where the El Niño impact window falls
Last 12 months vs normal
Observed monthly rainfall against the 1991–2020 climatology
Sector by sector
Peak El Niño influence through October could stress rain-fed crops and delay planting if the coming wet-season rains underperform, though the harvest calendar remains on schedule for now.
Reservoirs and aquifers normally recharge during the May–November wet season, so a drier-than-normal El Niño pattern would raise the risk of supply shortfalls later in the year.
Above-normal heat raises the risk of heat stress for outdoor workers, and drier conditions can worsen water quality and vector-borne disease dynamics.
Reduced rainfall would lower hydropower output and increase reliance on thermal generation, while warmer-than-normal temperatures push up cooling demand.
Warmer coastal waters and altered currents associated with a strong El Niño can shift pelagic fish stocks and disrupt nearshore catches for Dominican fleets.
What happened last time
Past El Niño episodes and how Dominican Republic responded. See the full ENSO timeline →
2023-24
El Niño conditions suppressed Atlantic hurricane activity and were associated with below-normal rainfall and warmer temperatures across the Caribbean, affecting agriculture and water availability.
unsourced background2015-16
A powerful El Niño contributed to severe regional drought and water rationing across the Caribbean, with crop losses and reduced hydropower generation in the Dominican Republic.
unsourced background1997-98
One of the strongest El Niño events on record brought markedly drier conditions and drought stress to the Caribbean, including the Dominican Republic, hitting rain-fed agriculture and reservoir levels.
unsourced backgroundLatest coverage
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