Portuguese with Carla on Instagram: "Planning a winter trip to Portugal? Here are 4 things most visitors don’t realize until they’re already here: Winter is mild, but houses are cold. Portugal’s climate is gentle, but traditional homes often have poor insulation. Many travelers are surprised to feel colder indoors than outdoors. Pack layers you can wear inside as well. It gets dark early. Sunset can be before 6pm, which changes the vibe completely. Plan earlier sightseeing to make the most of th