Climate of Dhaka
Coordinates: 23°42′0″N 90°22′30″E / 23.70000°N 90.37500°EDhaka experiences a hot, wet and humid tropical climate. Under the Köppen climate classification, Dhaka has a tropical wet and dry climate. The city has a distinct monsoonal season, with an annual average temperature of 25 °C (77 °F) and monthly means varying between 18 °C (64 °F) in January and 29 °C (84 °F) in August. Nearly 80% of the annual average rainfall of 1,854 millimetres (73.0 in) occurs during the monsoon season which lasts from May until the end of September. Increasing air and water pollution emanating from traffic congestion and industrial waste are serious problems affecting public health and the quality of life in the city. Water bodies and wetlands around Dhaka are facing destruction as these are being filled up to construct multi-storied buildings and other real estate developments. Coupled with pollution, such erosion of natural habitats threatens to destroy much of the regional biodiversity.
Cold weather is unusual in and around Dhaka. When temperatures decrease to 8 °C (46 °F) or less, people without warm clothing and living in inadequate homes may die from the cold.
Dhaka has a tropical wet and dry climate. The monsoon season brings nearly 80% of the annual average rainfall of 1,854 millimeters (73 in) occurs between May and September.
Climate change has forced many people of Bangladesh living in rural areas to migrate to cities that has caused a sharp rise in the slum population of Dhaka. As Bangladesh is already less than 20 feet above sea level, thus there are fears that by the end of the 21st century, more than a quarter of the country will be inundated and 15 million people will be displaced. The population of Dhaka, currently 13 million people, is projected to increase to 20 million by the year 2025. This raises fears of water-borne diseases and outbreaks of several other diseases. While a UN and WWF report warned that Dhaka tops the risk of climate change in Asia.
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