If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Loja: The hottest months are usually September and October with an average temp of 64°F, while the coldest months are July and August with an average of 63°F. The rainiest months in Loja are March, February, January, and April, with each month seeing an average of 12 inches of rainfall.