In May, the weather in Paco do Lumiar is typically warm. Average daily high temperature in May is about 27 degrees above zero. On average, Paco do Lumiar has 29 rainy, 1 sunny, and 1 partly cloudy day in May. The rains are usually heavy. May as well as January, February, March, and April is considered the most uncomfortable time to visit Paco do Lumiar.