Thailand: Floods - Nov 2025

Heavy rainfall has been affecting Thailand since early November, causing flash floods and river overflow that have resulted in casualties and damage. The most affected provinces are in northern, central, and northeastern Thailand. According to the International Federation of Red Cross and Red Crescent Societies (IFRC), as of 12 November, at least 16 people died, 467,600 people affected, and 135,762 houses affected among 2,882 villages. (ECHO, 13 Nov 2025)

Since 17 November, heavy rain triggering severe flooding has been affecting southern Thailand, prompting evacuations and damage. As of 24 November, the ASEAN Disaster Information Network (ADINet) reports 1,966,843 people affected across 12 provinces: Prachuap Khiri Khan, Chumphon, Surat Thani, Krabi, Nakhon Si Thammarat, Trang, Phatthalung, Satun, Songkhla, Pattani, Narathiwat, Yala. Media reported evacuations in the high-risk areas of the city of Hat Yai. (ECHO, 25 Nov 2025)

Widespread flooding continues across 11 northern provinces and more than 10 southern provinces. (ECHO, 26 Nov 2025) DG ECHO and IFRC report, as of 27 November, a total of 46 fatalities, of whom 28 are across northern and central provinces and 16 more in Peninsular Thailand. In addition, the same sources also report a total of more than 3.22 million affected people and nearly 740,500 affected houses across the country. (ECHO, 27 Nov 2025)

In the past week, southern Thailand has experienced widespread flooding due to very heavy rainfall, and the death toll has risen, particularly in the Southern Region. According to the ASEAN Disaster Information Net (ADINET), 168 people have died, while nearly 3 million people have been affected, including more than 1.15 million houses across 12 provinces. The affected provinces include: Prachuap Khiri Khan, Chumphon, Surat Thani, Krabi, Nakhon Si Thammarat, Trang, Phatthalung, Satun, Songkhla, Pattani, Narathiwat, and Yala. (ECHO, 1 Dec 2025)

[...] the Department of Disaster Prevention and Mitigation (DDPM) reports 178 fatalities, four injured, and more than two million affected. (ECHO, 2 Dec 2025)

Heavy rainfall continues to affect southeast Asia, particularly northwestern Indonesia, southern Thailand, and peninsular Malaysia, leading to a rising humanitarian impact. [...] In Thailand, the same source reported 185 deaths, 367 missing, 4 million affected, and 219,000 displaced people in 12 southern provinces. (ECHO, 4 Dec 2025)

For the Southern region of Thailand, the ASEAN Disaster Information Network (ADINet), as of 8 December, reports 276 deaths, five people injured, and more than 4 million affected. (ECHO, 12 Dec 2025)