July in Lamu is the windiest and the coldest month of the year. In July, the weather in Lamu is typically warm. Average daily high temperature in July is about 26 degrees above zero. On average, Lamu has 18 rainy, 8 sunny, 4 partly cloudy, and 1 cloudy day in July. The rains are usually moderate. July as well as April, May, June, and August is considered the most uncomfortable time to visit Lamu.