In the north of Taiwan there is a subtropical climate with mild winters, monthly temperatures between 14 and 16 degrees and warm summers with average temperatures between 25 and 28 degrees. The south of Taiwan is tropical. The annual mean values are between 24 and 25 degrees. In the winters it is with values just under 20 degrees even milder than in the north. From May to October the temperatures are mostly over 30 degrees, and the humidity is very high. In the mountains in the inland one finds temperate climate. The summers are pleasantly cool, and in the winter months there is frost and snow. Rainfall is dominated by the monsoon throughout the country. In the north, with up to 3000 mm per year, most rain falls. In the drier southwest 1700 to 1800 mm go down. From November to January there is less precipitation in the north than in the rest of the year. In the south, the drier period lasts from November to April. In the period from May to October, Taiwan can be on the typhoon track.
For trips to Taiwan, you should choose spring or autumn. Then it is not quite as hot and humid, and the risk of Taiwan being hit by a hurricane is less.