July in Dumaguete is the cloudiest month of the year. In July, the weather in Dumaguete is typically warm. Average daily high temperature in July is about 27 degrees above zero. On average, Dumaguete has 28 rainy, 2 cloudy, and 1 sunny day in July. The rains are usually heavy. July as well as January, February, March, and April is considered the most uncomfortable time to visit Dumaguete.