Caribbean Pop. 109k Capital: Oranjestad 5 articles · good coverage

Aruba

High impact · 7/10 Typically drier in El Niño years Updated 10 Oct 2026

What changed since 9 Oct 2026

Narrative updated. “UN and CariCOF both flag a strengthening El Niño — Aruba's next rainy season is the one to watch”

A strengthening El Niño is expected to bring drier and hotter conditions to Aruba and the wider southern Caribbean, according to advisories from the United Nations, CariCOF and regional media. Measured reanalysis for 9 July–6 October 2026 shows rainfall 57% below the 1991–2020 normal and temperatures +0.3°C above normal, though that window is climatologically dry so the real test is the coming wet season. With peak El Niño impact falling in June–October, water managers and farmers should plan for a delayed or reduced rainy season and a compressed November–January harvest.

Sources: [1][2][3] · AI-summarised from 5 articles

RAINFALL · LAST 90 DAYS

-57%

48.7 mm vs 113.8 mm normal

Reanalysis shows rainfall 57% below the 1991–2020 normal for 9 July–6 October 2026, a window that is climatologically dry for Aruba, so the key concern is the outlook for the coming wet-season rains rather than a meaningful percentage deficit.

News source

TEMPERATURE · LAST 90 DAYS

+0.3°C

28.6°C mean vs 28.26°C normal

Mean temperature for the same window ran +0.3°C above normal, consistent with the hotter conditions CariCOF and UN advisories expect as El Niño strengthens.

News source

SIGNAL CHECK

Signal showing

El Niño typically makes Aruba drier. Observed rainfall is running -57% — in line with the canonical response.

NASA POWER (MERRA-2) reanalysis, 9 Jul 2026 – 6 Oct 2026, sampled at the country centroid (12.5°, -70.0°). Normals are 1991–2020. How this is computed

When it matters

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

JFMAMJJASOND

Peak El Niño impact

Wet season

Dry season

Harvest

Peak El Niño impactRainy seasonDry seasonHarvest Now inside the peak-impact window. Drought, water rationing; fewer but not zero hurricanes.

Last 12 months vs normal

Observed monthly rainfall against the 1991–2020 climatology

Observed monthly rain (mm) 1991–2020 normal

Sector by sector

Agriculture

A delayed or weakened wet season would cut soil moisture for planting and shorten the November–January harvest window, with livestock and aloe among the more exposed activities.

Water & flooding

Below-normal recharge during the May–November rains would pressure cisterns and the island's desalination-dependent supply, raising the risk of demand restrictions later in the year.

Health

Prolonged humid heat raises heat-stress risk for outdoor workers, and drier conditions can worsen dust and respiratory irritation while stressing water quality and nutrition.

Energy

Hotter, drier conditions are expected to lift air-conditioning and desalination demand, increasing peak load on the island's power grid.

Fisheries

Warmer coastal waters flagged by CariCOF can shift pelagic species and reduce nearshore catch, while rougher dry-season seas may limit small-boat fishing days.

What happened last time

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

2023-24

A strong El Niño contributed to a dry wet season and record ocean warmth in the Caribbean, echoing the drier, hotter pattern now forecast for Aruba.

unsourced background

2015-16

A very strong El Niño coincided with severe regional drought, depleted reservoirs and crop losses across the Caribbean, with Aruba relying heavily on desalination.

unsourced background

1997-98

One of the strongest El Niño events on record brought pronounced drought and water rationing across the southern Caribbean, including Aruba and Curaçao.

unsourced background