July in Lamu is the windiest and the coldest month of the year. In July, the weather in Lamu is typically hot. Average daily high temperature in July is about 28 degrees above zero. On average, Lamu has 19 rainy, 5 sunny, 5 partly cloudy, and 2 cloudy days in July. The rains are usually moderate. July as well as April, May, June, and October is considered the most uncomfortable time to visit Lamu.