Would May or June be a good time to visit Taipei?

Hi, it is a little hot and humid then. The average temperature during May to June could be about 27 C. Frequent rainfall may be the block of your traveling, but the rain is usually not heavy. Anyway, an umbrella and the rainy wear are needed. As the typhoon season would come during June, you'd better pay much attention to the weather forecast at that time. By the way, you can take along short-sleeved shirt, pants or a thin coat probably.