If you're hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Baños del Inca: The hottest months are usually August and September with an average temp of 53°F, while the coldest months are July and August with an average of 53°F. The rainiest months in Baños del Inca are March, February, December, and January, with each month seeing an average of 10 inches of rainfall.