July in Brazzaville is the sunniest and the coldest month of the year. In July, the weather in Brazzaville is typically hot. Average daily high temperature in July is about 28 degrees above zero. On average, Brazzaville has 16 partly cloudy, 11 sunny, and 4 cloudy days in July. July as well as June and August is considered the most comfortable time to visit Brazzaville.