June in Penang is the sunniest month of the year. In June, the weather in Penang is typically hot. Average daily high temperature in June is about 30 degrees above zero. On average, Penang has 25 rainy, 3 cloudy, and 2 sunny days in June. The rains are usually heavy. June as well as January, February, March, and April is considered the most uncomfortable time to visit Penang.