In January, the weather in Fernando De Noronha is typically warm. Average daily high temperature in January is about 26 degrees above zero. On average, Fernando De Noronha has 18 rainy, 7 sunny, 5 partly cloudy, and 1 cloudy day in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Fernando De Noronha.