June in Hsinchu is the cloudiest month of the year. In June, the weather in Hsinchu is typically hot. Average daily high temperature in June is about 29 degrees above zero. On average, Hsinchu has 21 cloudy, 5 rainy, 3 sunny, and 1 partly cloudy day in June. The rains are usually heavy. June as well as July and August is considered the most uncomfortable time to visit Hsinchu.