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Dhaka 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 and monthly means varying between in January and in August. Nearly 80% of the annual average rainfall of 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 or less, people without warm clothing and living in inadequate homes may die from the cold. ==Factors== 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.〔http://www.weatherbase.com/weather/weather.php3?s=032914&refer=/〕 *Southwest Monsoon occurs from June till September during the summer months. During this period very heavy rainfall lashes the city as well as the entire country. Flash floods is common in Dhaka almost every year. *Tropical Storms do occur during the summer months from April till June and then from September till December. These cyclones occur almost every year in Bangladesh though their intensity varies from year to year. *Tornados are fairly common in Bangladesh as it is one of the most frequently hit countries in the world, behind the United States and Canada.〔http://www.spc.noaa.gov/faq/tornado/〕 * 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Climate of Dhaka」の詳細全文を読む スポンサード リンク
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