2025 Southeast Asia Monsoon Floods and Cyclones
Recent Developments
01By Dec. 1, 2025, Indonesia had recorded at least 604 deaths and nearly 300,000 displaced people from floods and landslides, according to a disaster philanthropy summary citing on-the-ground updates.
02Thailand’s flooding in late November 2025 was reported to have killed at least 162 people across nine provinces, with more than 1.4 million households and 3.8 million people affected in the twelve southernmost provinces.
03Vietnam’s Central Region flooding in late 2025 was reported to have caused at least 98 deaths and 10 missing, with economic losses exceeding US$3.2 billion in 2025 storm and flood impacts.
04Krungsri Research estimated Thailand’s 2025 flooded area at about 9.5 million rai and total damage at THB 23.6 billion, affecting 29 provinces by July 31, 2025.
Interventions
- Emergency relief, evacuation support, and temporary shelter operations by national disaster agencies and humanitarian organizations in the affected countries.
- Regional and national damage assessment and recovery planning, including flood-impact estimates for agriculture, infrastructure, and property in Thailand and other affected states.
What Works
- Early warning systems and pre-emptive evacuations reduce deaths during flood and cyclone events, especially when paired with clear local communication and accessible shelters.
- Flood-resilient infrastructure, improved drainage, and nature-based measures such as watershed restoration and mangrove protection can reduce flood depth and damage over time.
How to Help
- Donate to reputable humanitarian organizations responding to the floods, such as the Red Cross/Red Crescent, UNICEF, OCHA-partnered appeals, or other verified relief agencies.
- Support local recovery efforts for housing, food assistance, medical care, and school restoration in affected countries.
- Advocate for stronger climate adaptation, flood preparedness, and disaster-risk financing in high-risk regions.
Make an Impact
Donate directly to 11 verified organizations working on this crisis. Every contribution makes a difference.
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Raise Awareness
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Verified Organizations
Organizations Helping(18)
IOM works in Myanmar on displacement caused by conflict and disasters by supporting shelters, camp coordination and camp management, displacement tracking, emergency relief, and protection services. For Rohingya and other displaced populations, it helps assess needs, support camp operations, and coordinate humanitarian response across hard-to-reach areas and refugee contexts.
ADRRN coordinates regional disaster response efforts across Southeast Asia by facilitating information sharing and resource coordination among member organizations. They support local disaster management agencies in Indonesia, Thailand, Malaysia, and other affected countries through technical assistance in emergency operations center management and disaster response coordination. ADRRN promotes community-based disaster risk reduction initiatives, provides training on early warning systems and evacuation procedures, and advocates for regional cooperation on monsoon preparedness and cyclone response mechanisms.
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.
ActionAid delivers emergency response including cash transfers, food aid, emergency shelter, and psychosocial support, while building long-term resilience through community-based disaster risk reduction and climate adaptation programs in flood-prone regions.
