Best month to visit taiwan

This area always welcomes you with its pleasant seasons. It typically presents an average temperature of 71.6F all year round. There is no severe cold in winter and no brutal summer heat. So April, October or November are ok for you to tour.
Generally speaking, June to October is the typhoon season. The months with the most rainy days are in plum rain season in May and June.

The temperature of April is around 70 F. It's warm and comfortable. You should bring your T-shirts and jeans. :-)