January in Sao Vicente is the rainiest and the cloudiest month of the year. In January, the weather in Sao Vicente is typically warm. Average daily high temperature in January is about 27 degrees above zero. On average, Sao Vicente has 21 rainy, 6 sunny, 3 partly cloudy, and 1 cloudy day in January. The rains are usually heavy. January as well as February, March, and December is considered the most uncomfortable time to visit Sao Vicente.