2025 Southeast Asia Monsoon Floods and Cyclones
Recent Developments
01By early December 2025, regional reporting said the disaster had caused more than 1,100 deaths and left more than 18,000 people still displaced in some areas.
02Later reporting on 4 December 2025 said losses had topped US$20 billion across parts of South and Southeast Asia, with more than 1,300 deaths reported regionwide.
03Indonesia's fatalities were reported in the hundreds to more than 800 depending on update date and source, with about 570,000 displaced and severe infrastructure damage in western Sumatra and other provinces.
04Sri Lanka's Cyclone Ditwah impacts were reported to have caused more than 330 deaths in one late-November assessment and more than 450 fatalities in a later estimate, with nearly 200,000 displaced at peak.
Interventions
- Emergency shelter, food, and displacement support for affected populations were underway in the hardest-hit countries, including Sri Lanka and Indonesia.
- National disaster agencies and finance ministries were assessing damage and coordinating infrastructure restoration, road reopening, and crop-recovery efforts after the floods.
- Humanitarian organizations were reporting relief delivery and monitoring of secondary risks such as disease outbreaks where water, power, and healthcare access remained disrupted.
What Works
- Rapid evacuation and sheltering before peak rainfall reduces fatalities and helps limit exposure to floods and landslides, especially in low-lying and riverine areas.
- Restoring drainage, roads, electricity, and clean water quickly supports public health and economic recovery after flood disasters, particularly where agricultural damage and transport disruption are extensive.
- Targeted support for farmers after flooding, including crop recovery and income replacement, helps limit longer-term food insecurity and livelihood loss.
How to Help
- Donate to humanitarian relief organizations providing food, shelter, medical aid, and clean water to affected communities.
- Support trusted disaster-response NGOs operating in Indonesia, Thailand, Sri Lanka, Malaysia, Vietnam, and the Philippines.
- Advocate for rapid emergency funding, climate adaptation, flood control, and disaster preparedness programs.
Make an Impact
Donate directly to 11 verified organizations working on this crisis. Every contribution makes a difference.
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Verified Organizations
Organizations Helping(22)
Vanni Hope has teams on the ground in Sri Lanka responding to Cyclone Ditwah by mobilizing relief efforts to deliver emergency shelter materials and dry-food packs to displaced families affected by flooding and landslides. Donations directly fund safe temporary shelter, dry food for children and the elderly, and basic essentials to restore safety and dignity in the immediate aftermath.
In response to the floods in Indonesia, Yayasan CARE Peduli is distributing pre-positioned emergency hygiene kits to reduce health risks, particularly for women and children, and preparing to provide food and family kits along with temporary latrines in Aceh and West Sumatra to support families who have lost homes and access to clean water.
Raks Thai is providing relief in six provinces of southern Thailand hit by monsoon floods, reaching over 15,000 people with food, drinking water, and essential supplies. They collaborate with local women’s groups and youth volunteers in severely affected areas like Pattani, Yala, and Narathiwat to ensure aid reaches those with limited access to basic needs.
Chrysalis is partnering with the Government of Sri Lanka and district offices to support 18,000 people affected by Cyclone Ditwah, prioritizing vulnerable individuals with distributions of food, safe drinking water, hygiene kits, and other essential items to address immediate needs from flooding.
