March in João Pessoa is the hottest month of the year. In March, the weather in João Pessoa is typically hot. Average daily high temperature in March is about 29 degrees above zero. On average, João Pessoa has 24 rainy, 5 sunny, and 2 partly cloudy days in March. The rains are usually heavy. March as well as January, February, April, and May is considered the most uncomfortable time to visit João Pessoa.