June in Pekan Baru is the sunniest and the hottest month of the year. In June, the weather in Pekan Baru is typically hot. Average daily high temperature in June is about 30 degrees above zero. On average, Pekan Baru has 27 rainy and 3 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 Pekan Baru.