Planning for the weather is a good way to make your trip to Mbarara relaxing and enjoyable, especially when you're splurging. The hottest months are usually February and January, with an average temperature of 21°C, while the coldest months are December and November, with an average of 20°C. The rainiest months in Mbarara are October, September, November and April, with each month seeing an average of 185 mm of rainfall.