Weather will likely play an important role when you plan your trip to Asosa, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually March and April, with an average temperature of 30°C, while the coldest months are August and September, with an average of 24°C. The rainiest months in Asosa are August, July, October and September, with each month seeing an average of 180 mm of rainfall.