December in Addis Ababa is the sunniest month of the year. In December, the weather in Addis Ababa is typically warm. Average daily high temperature in December is about 21 degrees above zero. On average, Addis Ababa has 20 sunny, 9 partly cloudy, and 2 rainy days in December. The rains are usually light. December as well as November is considered the most comfortable time to visit Addis Ababa.