In June, the weather in Sungai Petani is typically hot. Average daily high temperature in June is about 29 degrees above zero. On average, Sungai Petani has 24 rainy, 5 cloudy, and 1 partly cloudy day in June. The rains are usually heavy. June as well as March, April, May, and July is considered the most uncomfortable time to visit Sungai Petani.