If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Tegucigalpa: The hottest months are usually April and March with an average temp of 72°F, while the coldest months are January and December with an average of 68°F. The rainiest months in Tegucigalpa are May, June, September, and October, with each month seeing an average of 15 inches of rainfall.