Other facts from our historical weather data: When is the rainy season in Addis Ababa? Rainy season in Addis Ababa occurs in the months of May, June, July, August and September. Does Addis Ababa have a dry season? Yes, the months of January, November and December are very dry. Which is the warmest month in Addis Ababa? March has an average maximum temperature of 26°C (79°F) and is the warmest month of the year. Which is the coldest month in Addis Ababa? The coldest month is December with an average maximum temperature of 21°C (70°F). Which is the wettest month in Addis Ababa? August tops the wettest month list with 398mm (15.7 in) of rainfall. Which is the driest month in Addis Ababa? December is the driest month with 8mm (0.3 in) of precipitation. Which is the sunniest month in Addis Ababa? December is the sunniest month with an average of 280 hours of sunshine. No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.