Planning for the weather is an important factor for making your trip to Bahir Dar a success, especially when you're splurging. The hottest months are usually March and April, with an average temperature of 23°C, while the coldest months are November and September, with an average of 19°C. The rainiest months in Bahir Dar are July, August, June and September, with each month seeing an average of 400 mm of rainfall.