January in Addo is the rainiest month of the year. In January, the weather in Addo is typically hot. Average daily high temperature in January is about 29 degrees above zero. On average, Addo has 13 sunny, 9 rainy, 8 partly cloudy, and 1 cloudy day in January. The rains are usually moderate. January as well as February, March, and December is considered the most uncomfortable time to visit Addo.