Taipei is Taiwan's largest city as well as its economic, political, and cultural center. It is a modern cosmopolitan metropolis with a lively and diversified face, filled with exuberance. A City of Smiles. From the world's tallest building(2004-2010) to the biggest collection of Chinese art, Taipei invites you into a world of fascinating contrasts - a mix of the modern and traditional, with a generous dash of energy and friendly smiles to make this one of your most memorable trips to Asia. Semi-tropical climate characterized by hot and humid weather. The most comfortable season to visit is the fall, when the rainfall is at its lowest and the temperatures average a pleasant mid 20°C. February to April are particularly damp with little sunlight, while the summers can be very hot, but often punctuated by heavy thunder showers.