July in Semporna is the rainiest month of the year. In July, the weather in Semporna is typically hot. Average daily high temperature in July is about 28 degrees above zero. On average, Semporna has 27 rainy, 3 sunny, and 1 cloudy day in July. The rains are usually moderate. July as well as January, March, April, and May is considered the most uncomfortable time to visit Semporna.