If you’re looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Yaoundé: The hottest months are usually February and January, with an average temperature of 25°C, while the coldest months are July and August, with an average of 22°C. The rainiest months in Yaoundé are October, May, September and November, with each month seeing an average of 239 mm of rainfall.