March in Porto Moniz is the coldest month of the year. In March, the weather in Porto Moniz is typically warm. Average daily high temperature in March is about 17 degrees above zero. On average, Porto Moniz has 11 partly cloudy, 10 sunny, 5 rainy, and 5 cloudy days in March. The rains are usually light. March as well as November and December is considered the most uncomfortable time to visit Porto Moniz.