what are the typical weather patterns in taiwan?

Generally speaking, it is warm the whole year around. The average temperature is arond 22C and the snow is hard to see on the island except some mountain areas in the winter.
For the rainy season, it rains a lot the whole year around in north and east part of the island. For middle and southern area, the summer time is the rainy season.
The typhoon season is from April to November and the typhoon may easily happen from July to September. The island has a high humidity.