July in Luganville is the sunniest and the coldest month of the year. In July, the weather in Luganville is typically warm. Average daily high temperature in July is about 25 degrees above zero. On average, Luganville has 21 rainy, 4 partly cloudy, 3 sunny, and 3 cloudy days in July. The rains are usually heavy. July as well as January, February, March, and April is considered the most uncomfortable time to visit Luganville.