Daily Coffee Report 7/23/26
Daily coffee report
StoneX Coffee Team
- Coffee
Climate Pressure, Heat Shock, and an Emerging El Niño: What Will Shape Coffee Through 2026 and Beyond
By: Alexis Rubinstein, Managing Editor - Coffee Network
CoffeeNetwork (New York) - The global coffee market is entering 2026 in a moment of profound contradiction. On one side, futures have softened as Brazil’s next crop promises record volume; on the other, the climate signal flashing underneath the market has never been louder. At the same time, NOAA is signaling that the long‑running La Niña is fading, with the Pacific priming for a possible late‑2026 El Niño—a planetary climate pattern that could recalibrate rainfall, heat, and production outcomes across every major coffee origin.
New analyses released this week show that global coffee regions are now facing an average of ~47 extra days of harmful heat per year, enough to impair flowering, weaken fruit set, and lower bean quality across nearly every major producing country.
The deeper dive is even more staggering: a separate climate assessment finds that top producers—including Brazil, Ethiopia, Indonesia, Colombia, and Vietnam—are now enduring ~57 extra days of crop‑damaging heat per year, with Brazil alone averaging about 70 additional heat‑stress days annually. These conditions stretch coffee physiology to its limit: flowers desiccate, cherries develop prematurely, drying becomes erratic, and pests expand their geographic range.
Producers describe living in a state of constant uncertainty—oscillating between excessive sun, insufficient water, or sudden bursts of heavy rainfall that destroy blossoms or encourage fungal disease. These oscillations now appear year‑to‑year, not every decade.
In practical terms, climate change has turned the seasonal predictability that once defined coffee agriculture into a far riskier, far more volatile environment.
NOAA’s February 12, 2026 ENSO Diagnostic Discussion confirms that La Niña is weakening, with a 60% chance of ENSO‑neutral conditions by February–April and neutral likely through June–August (~56% probability). Crucially, however, NOAA assigns a 50–60% chance of El Niño development by late summer into fall 2026—when many origins enter flowering or early fruit‑set stages.
Behind this shift is a significant warming of subsurface Pacific waters, a classic precursor of an ENSO phase change. Though atmospheric patterns still show some La Niña fingerprints, they are weakening.
NOAA also notes a major methodological transition: the adoption of the Relative Oceanic Niño Index (RONI) to evaluate ENSO conditions. RONI compares Pacific anomalies to the broader global tropics, making ENSO classification more accurate in a warming world—an important update for interpreting coffee‑sector climate impacts.
El Niño is not merely a climate phase—it is a supply‑chain event. Its teleconnections disrupt rainfall and temperature patterns across nearly all coffee belts. Below is the country‑by‑country outlook based on the latest science and historic patterns.
Brazil
El Niño often brings warmer temperatures across much of Brazil and can shift rainfall patterns toward drier‑than‑normal conditions in southern regions, while introducing irregularity in the Southeast.
Flowering risk (Aug–Oct 2026): Heat + uneven rainfall can fracture bloom cycles, producing uneven fruit set and greater quality inconsistency.
Heat‑stress vulnerability: With Brazil already experiencing ~70 additional heat‑stress days per year, trees may enter the 2026 flowering season physiologically weakened.
Conilon drought sensitivity: Dryness diminishes bean size and increases defects.
Result: Higher quality volatility and potentially lower arabica yields, with conilon at immediate drought risk.
Vietnam
Southeast Asia consistently sees below‑average rainfall and elevated temperatures during El Niño cycles.
Dry-season intensification reduces soil moisture and strain trees entering 2026/27 development.
Heat‑linked defects rise: black beans, smaller screens, inconsistent density.
Irrigation demand spikes, raising production costs and exacerbating rural water stress.
Result: Potentially smaller robusta crop and lower physical quality.
Indonesia
Indonesia mirrors Vietnam: hotter, drier conditions constrain vegetative growth and fruit expansion.
Potential double‑digit yield reductions in robusta under sustained drought.
Higher pest pressure (e.g., CBB) under warmer conditions.
Quality deterioration in arabica if cherries ripen too quickly or water shortages affect processing.
Result: Elevated supply risk across both arabica and robusta zones.
East Africa — Ethiopia, Kenya, Tanzania, Uganda
East Africa tends to receive wetter‑than‑normal rainfall during El Niño years.
Yield support: Moisture improves fruit development where drought has stressed trees.
Disease surge: Excess rain heightens risk of CBD, leaf rust, and drying failures.
Ethiopia and neighboring origins already face climate‑driven heat spikes, compounding vulnerability.
Result: Possibly higher yields, but increased quality‑risk variability and post‑harvest constraints.
Colombia
Parts of Colombia often become wetter under El Niño conditions.
Wetter flowering and maturation windows may increase rust pressure.
Excess moisture disrupts drying and can cause harvest timing compression, raising costs and risk.
Result: Production may hold, but quality volatility and disease management costs rise.
Even though prices have softened due to improved Brazil crop forecasts, this easing masks deeper risk. If El Niño forms late in 2026:
- Robusta origins (Vietnam, Indonesia, Brazil‑Conilon) carry the highest downside yield exposure.
- Arabica from Brazil faces flowering fragility during the critical Aug–Oct window.
- East Africa & Colombia face wetter‑than‑normal conditions that simultaneously help yields and elevate disease cycles.
Climate change magnifies all these effects—every ENSO swing now rides on top of a baseline of record heat and volatility.
The coming months offer a window of relative meteorological neutrality, but late‑2026 could be transformative. El Niño is not a guarantee—but the probability is high enough, and the climate backdrop severe enough, that buyers, roasters, traders, and producers must build resilience now.
Climate change sets the stage. ENSO plays the script. Together, they will dictate the coffee market’s cost structure, quality distribution, and supply balance moving into 2027.
As CoffeeNetwork continues tracking this evolving story, one truth is clear: climate is no longer a background risk. It is the market.
Alexis Rubinstein
- Coffee
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