In April, the weather in Brazzaville is typically hot. Average daily high temperature in April is about 30 degrees above zero. On average, Brazzaville has 22 rainy, 4 cloudy, 3 partly cloudy, and 1 sunny day in April. The rains are usually heavy. April as well as January, February, March, and October is considered the most uncomfortable time to visit Brazzaville.