Dhaka experiences a hot, wet and humid tropical climate. Under the Koppen climate classification, Dhaka has a tropical savanna climate. The city has a distinct monsoonal season, with an annual average temperature of 27.5 °C (81.5 °F) and monthly means varying between 19.5 °C (67 °F) in January and 32 °C (90 °F) in April.[34] Approximately 87% of the annual average rainfall of 2,121 millimeters (83.5 in) occurs between May and October.[34] 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.[35] 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.[35]
| [hide]Climate data for Dhaka | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average high °C (°F) | 25 (77) | 30 (86) | 34 (93) | 36 (97) | 35 (95) | 34 (93) | 33 (91) | 32 (90) | 32 (90) | 31 (88) | 29 (84) | 27 (81) | 31 (88) |
| Average low °C (°F) | 14 (57) | 20 (68) | 25 (77) | 28 (82) | 30 (86) | 29 (84) | 28 (82) | 27 (81) | 27 (81) | 25 (77) | 19 (66) | 16 (61) | 24 (75) |
| Precipitation mm (inches) | 10 (0.4) | 20 (0.8) | 58 (2.3) | 142 (5.6) | 257 (10.1) | 358 (14.1) | 399 (15.7) | 318 (12.5) | 287 (11.3) | 234 (9.2) | 30 (1.2) | 8 (0.3) | 2,121 (83.5) |
| Source: weather.com[34] | |||||||||||||
