August in Addis Ababa is the coldest month of the year. In August, the weather in Addis Ababa is typically warm. Average daily high temperature in August is about 18 degrees above zero. On average, Addis Ababa has 31 rainy days in August. The rains are usually heavy. August as well as June, July, and September is considered the most uncomfortable time to visit Addis Ababa.