Thailand
Narrative updated. “El Niño is rewriting Thailand's rice calendar — and the reservoirs are already feeling it”
Thailand is bracing for a prolonged dry spell and reservoir drawdown as a powerful El Niño strengthens, with Thai PBS World warning of a fresh economic crisis next year and Khaosod reporting official drought advisories. Reuters and CGTN describe heat-stressed Asian crops and Thai rice farming entering unfamiliar territory, with planting schedules slipping and yields at risk. Measured conditions over 9 July–6 October 2026 show rainfall about 43% above normal and temperatures 0.7°C above normal, so the immediate window has been wetter than the canonical El Niño signal — but the dry-season outlook and the coming monsoon remain the decisive test.
840.1 mm vs 586.9 mm normal
Reanalysis shows rainfall for 9 July–6 October 2026 running about 43% above the 1991–2020 normal, even as Thai authorities warn of a prolonged dry spell and reservoir drawdown under El Niño.
News source28°C mean vs 27.29°C normal
Mean temperatures over the same window came in about 0.7°C above normal, consistent with the record heat and crop stress reported across Asia as the current El Niño strengthened.
News sourceEl Niño typically makes Thailand drier. Observed rainfall is running +43% — against the canonical response; local factors are dominating.
NASA POWER (MERRA-2) reanalysis, 9 Jul 2026 – 6 Oct 2026, sampled at the country centroid (15.0°, 100.0°). Normals are 1991–2020. How this is computed
When it matters
Agricultural calendar for Thailand and where the El Niño impact window falls
Last 12 months vs normal
Observed monthly rainfall against the 1991–2020 climatology
Sector by sector
Wet-season rice planting is expected to be delayed by about a month and yields of rice, cassava and sugar cane are projected to fall as heat and erratic rains stress crops.
Reservoir levels are likely to be drawn down further, with authorities warning of a prolonged dry spell and tighter allocations for irrigation and urban supply.
Heat stress, respiratory illness from drought-driven fires and haze, and nutrition risks from crop losses are expected to intensify, particularly among rural and elderly populations.
Hydropower output is projected to decline as reservoirs recede, increasing reliance on gas-fired generation and raising the risk of higher power costs and summer demand spikes.
Warmer coastal waters and lower inland water levels are expected to reduce catches and disrupt aquaculture, raising costs for coastal and freshwater fishing communities.
What happened last time
Past El Niño episodes and how Thailand responded. See the full ENSO timeline →
2023-24
El Niño conditions contributed to below-normal rains and heat stress on Thai crops, with authorities issuing drought advisories and farmers delaying planting in several provinces.
unsourced background2015-16
A strong El Niño drove Thailand's worst drought in decades, forcing water rationing, reducing rice and sugar cane harvests, and prompting government relief measures for farmers.
unsourced background1997-98
One of the strongest El Niño events on record brought severe drought to Thailand, sharply cutting rice output and reservoir storage and contributing to regional economic stress.
unsourced backgroundLatest coverage
RSSHot weather hurts Asian crops as powerful El Nino takes shape
El Niño Tightens Its Grip on Thailand: Drought Warnings, Rice Delays and a Looming Economic Bill
Thailand is bracing for a prolonged dry spell and reservoir drawdown as a powerful El Niño strengthens, with Thai PBS World warning of a fresh economic crisis next year and Khaosod reporting official
Thailand confronts drought, fires and floods as El Niño grows
Thailand Warns of Prolonged Dry Spell Amid El Niño
Inside El Nino – Thailand's rice farming enters unfamiliar territory
Nearby
Neighbouring countries