July in Honiara is the windiest month of the year. In July, the weather in Honiara is typically warm. Average daily high temperature in July is about 25 degrees above zero. On average, Honiara has 27 rainy, 3 sunny, and 1 cloudy 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 Honiara.