Things to Do in Barcelona in December1. Have a look at La Sagrada Familia
2. Visit Park Güell
3. Explore Casa Vicens
4. Visit Unique Building of Casa Batllo
5. Explore Casa Mila
6. Visit La Rambla
7. Explore Underwater World Barcelona Aquarium
8. Attending a Flamenco Show
9. Celebrating Christmas Evening
10. Celebrating New Year's Eve!
Barcelona is a great city to visit in December because of the weather, the Christmas markets, art installations and food markets that come alive during this time of the month. The city bustles with holiday cheer, and there are plenty of things to do in Barcelona in December such as flamenco dance, Christmas lights of Sant pau and others. Whether you're looking for Christmas markets and nativity scenes or want to enjoy the city's lights and decorations, Barcelona in December is a must-see. You can find everything from traditional Spanish Christmas decorations to handmade gifts and tasty food.