In April, the weather in Angra dos Reis is typically warm. Average daily high temperature in April is about 23 degrees above zero. On average, Angra dos Reis has 19 rainy, 9 sunny, 1 cloudy, and 1 partly cloudy 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 Angra dos Reis.