January in Vacoas-Phoenix is the rainiest and the cloudiest month of the year. In January, the weather in Vacoas-Phoenix is typically warm. Average daily high temperature in January is about 27 degrees above zero. On average, Vacoas-Phoenix has 22 rainy and 9 sunny days in January. The rains are usually heavy. January as well as February and March is considered the most uncomfortable time to visit Vacoas-Phoenix.