March in Macapá is the coldest month of the year. In March, the weather in Macapá is typically hot. Average daily high temperature in March is about 29 degrees above zero. On average, Macapá has 29 rainy, 1 cloudy, and 1 partly cloudy day in March. The rains are usually heavy. March as well as January, February, April, and May is considered the most uncomfortable time to visit Macapá.