El Niño and Coffee: How Pacific Warming Hits Your Morning Cup
Published: July 7, 2026 · 8 min read
TL;DR — Your Coffee Depends on the Pacific
Coffee is one of the crops most sensitive to El Niño. Brazil (arabica) and Vietnam (robusta) are the world's #1 and #2 producers — and both tend to see reduced yields during El Niño. Brazil's coffee belt dries out during critical flowering. Vietnam's Central Highlands face drought. Colombia sometimes benefits from extra rain, but excess moisture promotes coffee leaf rust. With a strong 2026-27 event forecast, coffee traders are already watching.
Why Coffee Is So Sensitive to El Niño
Coffee is a Goldilocks crop — it needs everything just right. Arabica coffee grows best between 18-22 °C, with well-distributed rainfall of 1,500-2,000mm per year and a distinct dry season for flowering. Too much heat stresses the plants. Too little rain during cherry development means small, low-quality beans. Too much rain during harvest can rot cherries on the branch or prevent drying.
El Niño disrupts these conditions across every major growing region, just in different ways. Brazil gets too dry. Vietnam gets too dry. Colombia gets too wet. Indonesia gets too dry. Central America's fine coffees face both drought and heat stress. The global pattern of El Niño rainfall shifts lines up almost perfectly with the world's coffee map.
Brazil: The Arabica Giant
Brazil produces about 35% of the world's coffee, almost entirely arabica. The main growing regions — Minas Gerais, São Paulo, Espírito Santo — depend on consistent rainfall from October through March, the flowering and cherry development period. El Niño tends to reduce rainfall in these regions, especially in December-February when the cherries are filling.
The 2015-16 El Niño hit Brazilian coffee hard. Production dropped from about 45 million bags (60kg) to roughly 40 million, and quality suffered. Combined with a drought in 2014 (before El Niño fully developed), Brazilian coffee stocks reached multi-year lows. Arabica futures on ICE jumped 30-50%.
| Event | Brazil Arabica | Vietnam Robusta | Colombia Arabica | Price Impact |
|---|---|---|---|---|
| 1997–98 | -20% | -10% | +5% (wet) | Arabica futures +80% |
| 2009–10 | -10% | -15% | -5% | Arabica +25%, Robusta +40% |
| 2015–16 | -15% | -20% | Stable | Arabica +30-50% |
| 2023–24 | Near normal | -10% | Stable | Moderate; Vietnam tightness supported robusta |
Vietnam: The Robusta Powerhouse
Vietnam produces about 40% of the world's robusta coffee — the stronger, more bitter variety used in instant coffee and espresso blends. The Central Highlands growing region depends on irrigation from reservoirs that are replenished by the May-October monsoon. El Niño weakens that monsoon, reducing reservoir levels and irrigation capacity. The 2015-16 event saw Vietnamese robusta production drop about 20%, and global robusta prices surged as roasters scrambled for supply.
Colombia: Too Much of a Good Thing
Colombia sometimes benefits from El Niño's rainfall patterns — the country sits in a region that often gets wetter. But excessive rain during flowering can reduce fruit set, and persistent wetness promotes coffee leaf rust (la roya), a fungal disease that devastated Colombian production in 2008-2011. The relationship is delicate: moderate extra rain helps, too much hurts.
2026-2027 Outlook
Coffee markets are already pricing in El Niño risk. Brazil enters the 2026-27 event with coffee stocks still recovering from the 2024 drought and frost events that damaged trees. A strong El Niño drought in Brazil's coffee belt would compound those stresses. Vietnam's Central Highlands had a reasonable 2025 monsoon, so reservoirs start with decent levels — but a prolonged El Niño dry spell through 2027 would test that buffer. ICE arabica futures have already risen ~15% on El Niño concerns alone.
Global Coffee Production: Regional Vulnerability Map
The global coffee market is concentrated in a handful of regions — and many of them sit directly in El Niño's crosshairs. Understanding which producing regions face what risks helps explain why prices move the way they do during El Niño events.
| Region | Share of Global Production | El Niño Impact | Risk Level |
|---|---|---|---|
| Latin America | ~30–55% | Drought in north, excessive rain in south | High |
| Southeast Asia | ~20–40% | Reduced monsoon rainfall, reservoir stress | High |
| West Africa | ~15–30% | Variable; drought risk in Sahel, wetter in Gulf of Guinea | Medium |
| East Africa | ~5–15% | Flooding risk in eastern countries, drought in south | Medium |
| South Asia | ~5–20% | Monsoon weakening, irrigation-dependent crops at risk | High |
During past strong El Niño events, coffee prices have risen 20-80% from pre-event levels, depending on the severity of production losses and the level of global stockpiles. The 2026-2027 event enters with global food prices already elevated from the 2022-2024 cycle, meaning even moderate production disruptions could trigger outsized price responses in commodity markets.
For importing countries — particularly in the Middle East and sub-Saharan Africa — higher coffee prices translate directly into food insecurity, import bill stress, and in extreme cases, social unrest. The 2026 event is a reminder that El Niño is never just a weather phenomenon. It's an economic one.
Global Coffee Production: Regional Vulnerability Map
The global coffee market is concentrated in a handful of regions — and many of them sit directly in El Niño's crosshairs. Understanding which producing regions face what risks helps explain why prices move the way they do during El Niño events.
| Region | Share of Global Production | El Niño Impact | Risk Level |
|---|---|---|---|
| Latin America | ~30–55% | Drought in north, excessive rain in south | High |
| Southeast Asia | ~20–40% | Reduced monsoon rainfall, reservoir stress | High |
| West Africa | ~15–30% | Variable; drought risk in Sahel, wetter in Gulf of Guinea | Medium |
| East Africa | ~5–15% | Flooding risk in eastern countries, drought in south | Medium |
| South Asia | ~5–20% | Monsoon weakening, irrigation-dependent crops at risk | High |
During past strong El Niño events, coffee prices have risen 20-80% from pre-event levels, depending on the severity of production losses and the level of global stockpiles. The 2026-2027 event enters with global food prices already elevated from the 2022-2024 cycle, meaning even moderate production disruptions could trigger outsized price responses in commodity markets.
For importing countries — particularly in the Middle East and sub-Saharan Africa — higher coffee prices translate directly into food insecurity, import bill stress, and in extreme cases, social unrest. The 2026 event is a reminder that El Niño is never just a weather phenomenon. It's an economic one.
Global Coffee Production: Regional Vulnerability Map
The global coffee market is concentrated in a handful of regions — and many of them sit directly in El Niño's crosshairs. Understanding which producing regions face what risks helps explain why prices move the way they do during El Niño events.
| Region | Share of Global Production | El Niño Impact | Risk Level |
|---|---|---|---|
| Latin America | ~30–55% | Drought in north, excessive rain in south | High |
| Southeast Asia | ~20–40% | Reduced monsoon rainfall, reservoir stress | High |
| West Africa | ~15–30% | Variable; drought risk in Sahel, wetter in Gulf of Guinea | Medium |
| East Africa | ~5–15% | Flooding risk in eastern countries, drought in south | Medium |
| South Asia | ~5–20% | Monsoon weakening, irrigation-dependent crops at risk | High |
During past strong El Niño events, coffee prices have risen 20-80% from pre-event levels, depending on the severity of production losses and the level of global stockpiles. The 2026-2027 event enters with global food prices already elevated from the 2022-2024 cycle, meaning even moderate production disruptions could trigger outsized price responses in commodity markets.
For importing countries — particularly in the Middle East and sub-Saharan Africa — higher coffee prices translate directly into food insecurity, import bill stress, and in extreme cases, social unrest. The 2026 event is a reminder that El Niño is never just a weather phenomenon. It's an economic one.
Explore more at the El Niño Guide — comprehensive climate science explained.