In March, the weather in Olho dÁgua das Cunhãs is typically hot. Average daily high temperature in March is about 28 degrees above zero. On average, Olho dÁgua das Cunhãs has 30 rainy and 1 sunny 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 Olho dÁgua das Cunhãs.