Bangladesh: Floods and Landslides - May 2025

The ongoing flood crisis in Bangladesh began in mid-May 2025, primarily triggered by heavy monsoon rainfall and upstream water flow from India. As of 1 June 2025, several districts, including Sylhet, Sunamganj, Moulvibazar, Habiganj, Netrokona, Noakhali, Bhola, Khagrachari, Bandarban and Rangamati have been severely affected. (Bangladesh Red Crescent Society, 2 Jun 2025)

Torrential rains marking the start of the monsoon season hit crowded refugee camps between 31 May-1 June, damaging thousands of Rohingya shelters. In just two days, some 53 landslides were reported across the 33 camps, damaging over 1,400 homes in combination with floods and strong winds; one refugee was killed as a wall collapsed and lightning strikes reportedly injured eleven. With the monsoon season running from end of May through August, humanitarian partners have been working proactively to mitigate the risk, including pre-positioning humanitarian supplies such as tarpaulins and rope to secure them, sleeping mats water purification tablets and jerrycans. (UNHCR, 2 Jun 2025)

In addition, a deep tropical depression impacted the coastal district of Patuakhali, affecting over 66,000 people. The storm damaged approximately 1,800 fish farms and affected 1,850 hectares of agricultural land. According to a rapid needs assessment conducted by JAGO NARI, immediate priorities include food assistance, cash support for shelter repairs, recovery assistance for agriculture and fisheries, and rehabilitation of damaged infrastructure. (OCHA, 2 Jun 2025)

Southeast Bangladesh has faced heavy and continued rainfall for the past few days, subsequent rise in water levels in major rivers, and onrush of upstream water from the Indian hills. This impacted several districts, including Feni, Cumilla, Banderban, Lakshmipur and Barishal, Noakhali [...] According to Bangladesh’s Ministry of Disaster Management and Relief, 3,837 families in Fulgazi, Parashuram and Feni Sadar Upazilas (sub-districts) have been waterlogged and are without electricity and mobile coverage, and 15,350 people have been affected. Shelters in three upazilas are holding 1,532 people and 205 cattle. (ECHO, 10 Jul 2025)

With the onset of the monsoon season at the end of May, days of intense monsoon rains and high winds have triggered landslides, floods, and widespread damage across the Rohingya refugee camps in Cox’s Bazar, Bangladesh, impacting approximately 65,000 people across 33 camps, according to the Needs and Population Monitoring (NPM) unit of IOM. By the end of June, over 43,000 people across 17 IOM-managed camps were affected, leaving many families in urgent need of assistance. (IOM, 10 Aug 2025)