Dhaka features a tropical savanna climate (Köppen climate classification *Aw*), bordering on a tropical wet and dry climate. The region experiences distinct seasons characterized by a hot, humid summer, a wet monsoon season, and a mild, relatively dry winter.
The monsoon season typically runs from June to October, bringing heavy, torrential rainfall and high humidity. Approximately 80% of the division's annual rainfall (which averages around 2,123 mm or 83 inches) occurs during these months, frequently leading to localized and widespread flooding.
Summers (March to May) are hot and humid, with average maximum temperatures frequently exceeding 32°C (90°F) and occasionally reaching 40°C (104°F). Winters (December to February) are highly pleasant and dry, with average temperatures ranging between 12°C and 25°C (54°F to 77°F). The winter months are widely considered the best time to visit due to the comfortable weather and lack of rain.