India’s 2026-27 Arabica coffee season is under pressure as erratic rainfall and severe pest infestations hit plantations in the Western Ghats. Industry bodies now project a double-digit decline in output, diverging from earlier optimistic estimates. This supply uncertainty creates financial stress for growers and may influence pricing trends as the harvest season approaches.
The outlook for India’s Arabica coffee harvest for the 2026-27 season has dimmed, with industry experts bracing for a production decline of 10% to 20%. While initial projections from the Coffee Board were more optimistic, ground-level reports from major producing regions in the Western Ghats indicate that the crop has been severely impacted by a combination of erratic monsoon patterns and persistent pest infestations.
At the heart of the supply struggle is the white stem borer, a highly destructive pest that thrives in conditions of heat stress. Prolonged dry spells during the monsoon season weakened the Arabica plants, making them more susceptible to the pest. Unlike broader agricultural issues, the white stem borer causes direct, long-term damage to the plant structure, leading to reduced yields and, in severe cases, the death of the coffee bush. This has created a critical challenge for planters in Karnataka, which accounts for the vast majority of the country's Arabica production.
The industry is seeing a notable gap between official forecasts and the realities on the ground. Independent bodies like the United Planters' Association of South India and the Karnataka Planters Association have warned that the output for the current cycle is likely to fall significantly short of earlier expectations. These organizations emphasize that the climatic stress is not a temporary setback but a trend that is increasingly difficult for traditional Arabica farming to absorb.
From a financial and operational perspective, the situation is weighing heavily on growers. The combination of falling yields and rising input costs—including labor shortages and the ongoing expense of pest control measures—is putting pressure on farm-level profitability. Some planters are now considering a structural shift, moving away from the more sensitive Arabica variety in favor of the more resilient Robusta coffee, which is better able to withstand these climatic fluctuations. This transition, while logical for long-term farm viability, highlights the vulnerability of India’s niche Arabica production to climate-induced volatility.
For the broader market, the upcoming weeks are crucial. As harvesting operations gain momentum, the actual arrival volumes will provide the first concrete data on the extent of the production deficit. Investors and industry participants will be tracking the post-monsoon harvest figures expected by early November. These numbers will clarify whether the initial industry warnings of a 20% decline were accurate, and how this supply tightness might interact with global coffee price trends.