If you're looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Tamale: The hottest months are usually March and February, with an average temperature of 32°C, while the coldest months are January and December, with an average of 28°C. The rainiest months in Tamale are August, September, July and June, with each month seeing an average of 198 mm of rainfall.