If you’re looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Brahmapur: The hottest months are usually May and April, with an average temperature of 30°C, while the coldest months are January and December, with an average of 23°C. The rainiest months in Brahmapur are July, August, September and October, with each month seeing an average of 286 mm of rainfall.