San Sebastian in December: everything you need to know for your trip
If you’re thinking of visiting San Sebastián in December, get ready to discover one of the most magical times of the year in the city. December transforms Donostia into a cozy destination full of Christmas lights, cultural events, winter traditions, and a calm, authentic atmosphere that invites you to enjoy the city at your own pace.
In this guide, you’ll find everything you need to organize your stay: what to do in San Sebastián in December, the key festivities taking place between December 21 and December 31, and why this month is one of the best times to experience the city like a true local.
What the weather is like in San Sebastián in December
The San Sebastián weather in December is mild for winter, making it pleasant for walking and exploring.
Average temperature in San Sebastián in December: 9ºC – 14ºC
Rain: yes, expect some rainy days—part of Donostia’s charm
Wind: occasional, especially along coastal promenades
Sunset: spectacular (and early)
December isn’t a beach month, but it’s perfect for discovering cafés, enjoying illuminated streets, and soaking in the festive atmosphere without large crowds.
This makes San Sebastián, Spain in December a wonderful choice for relaxed winter travel.
Things to do in San Sebastián in December
If you want to experience a more authentic Donostia, December is a perfect time of year.
Explore the Christmas Markets and festive lights
The holiday season in San Sebastián blends tradition, design, and gastronomy. Streets light up, artisan markets fill with local products, and neighborhoods take on a warm, festive character that invites long, slow walks.
Don’t miss:
Christmas Market on Paseo de Francia
From November 28 to January 6. Stalls offer crafts, local products, decorations, gifts, sweets, and seasonal specialties—ideal for Christmas shopping or simply enjoying the festive ambiance.
Boulevard & Old Town lights
The city dresses up with Christmas lights that illuminate iconic spots like the city center, bridges, and the banks of the Urumea River, creating the perfect atmosphere for an evening stroll.
Gastronomy stalls along the Urumea
Craft stalls combine with food stands offering local dishes, sweets, and seasonal flavors—a great opportunity to try traditional winter treats.
Holiday activities for children
Near the festive area, you’ll find the 32-meter Alderdi Eder Ferris Wheel with 24 cabins, offering panoramic views over the bay. The Christmas celebrations also include an ice-skating rink along the Urumea promenade—an ideal activity for families visiting San Sebastián in December.
Experience the local tradition of December 21: Santo Tomás
The 21st of December in Donosti is one of the most anticipated days for locals: Santo Tomás Day. If you’re in the city, you won’t miss it.
The streets fill with festivities: talo with chistorra, cider, pintxos, music, and plenty of locals celebrating from morning until night. It’s a deeply rooted Donostia tradition and an incredible opportunity to immerse yourself in local Basque culture.
Enjoy a pintxos route
December is the perfect month for cozy evenings, gentle rain, and pintxos. It’s one of the best times of the year to explore the gastronomic scene of the Old Town, Gros, or Antiguo.
A great way to enjoy local cuisine is to start in the Old Town with classic pintxos. Then cross to Gros for more creative, contemporary options. Finish with dessert or a vermouth by Zurriola Beach, taking in the winter atmosphere.
If you’re planning a long stay in San Sebastián in December, this month gives you the perfect excuse to explore its food culture at a slower, more relaxed pace.
Museums, culture & indoor plans
If it rains, no problem: Donostia offers plenty of indoor activities. Spend the morning learning about Basque culture at the San Telmo Museum, explore exhibitions and cinema at Tabakalera, or visit the classic Aquarium.
If you’re traveling with children, Eureka! is an excellent interactive option. And on stormy days, watching the waves crash at the Peine del Viento is an unforgettable experience. For longer stays, combine indoor and outdoor plans depending on the weather in San Sebastián in December.
Experience December 31 in San Sebastián
The 31st of December in San Sebastián is special—more intimate and culinary than in many other cities. Many people celebrate with dinner at home or in a restaurant, take a walk through the Old Town to toast, and say goodbye to the year with views of La Concha or La Zurriola.
Practical tips for enjoying San Sebastián in December
To enjoy San Sebastián, Spain in December, it’s best to dress in layers: while there may be rain, temperatures are mild enough for comfortable walks. Wear comfortable shoes—you’ll walk a lot, as the city is perfect for exploring on foot.
If you’re visiting on December 21 or 31, book in advance, as these dates are popular for both locals and travelers. Also plan a few indoor days in case the weather shifts. The best way to experience the city this time of year is without rushing, walking its streets slowly, and letting yourself blend into local life.
December is the perfect month to experience San Sebastián slowly
If you’re wondering what to do in San Sebastián in December, the answer is simple: enjoy. The city offers a perfect balance of festive atmosphere, exceptional food, culture, and local traditions.
December is the ideal month for travelers who want to live the city rather than visit it. It’s perfect for long stays in apartments like Numad Studios, where you can experience Donostia like a local—with your own rhythm, your own plans, and the comfort of a home-like space.