July in Manaus is the sunniest month of the year. In July, the weather in Manaus is typically hot. Average daily high temperature in July is about 31 degrees above zero. On average, Manaus has 17 rainy, 8 sunny, 5 partly cloudy, and 1 cloudy day in July. The rains are usually moderate. July as well as January, February, March, and April is considered the most uncomfortable time to visit Manaus.