If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Awassa: The hottest months are usually March and February with an average temp of 68°F, while the coldest months are December and November with an average of 65°F. The rainiest months in Awassa are October, May, April, and September, with each month seeing an average of 9 inches of rainfall.