What's on in San Sebastián (Donostia), Spain through the year

San Sebastián, Spain has 7 curated events through the year — 4 festivals and 3 seasons. The ones to plan around: Tamborrada (January) and Cider house season (January). January, July, August and September are its peak-crowd months.

Updated September 2026 · every event curated and sourced · dates for 2026 where they are announced, the usual window where they are not

Best time to visit San Sebastián (Donostia): weather, crowds and notes →

San Sebastián (Donostia) events and crowds by month

MonthWhat startsCrowds
JanuaryCider house season, TamborradaPeak crowds
FebruaryShoulder season
MarchQuiet
AprilBusy
MayBusy
JuneBusy
JulyLa Concha swimming season, JazzaldiaPeak crowds
AugustAste NagusiaPeak crowds
SeptemberAutumn and winter swell, Zinemaldia film festivalPeak crowds
OctoberShoulder season
NovemberQuiet
DecemberBusy

January in San Sebastián (Donostia)

San Sebastián (Donostia) weather in January

Peak crowds — Tamborrada, Christmas holidays in Spain

  • Season

    Cider house season

    15 Jan – 30 AprHarvest

    From mid-January the sagardotegis in Astigarraga open the barrels: you eat cod omelette and chop standing up and catch cider off the barrel yourself. It closes at the end of April.

  • Festival

    Tamborrada

    19–21 JanMajor festivalCrowded

    At midnight on 19 January the flag goes up in the Plaza de la Constitucion and the city drums for twenty-four hours without stopping, in cook's whites and Napoleonic uniform. Nothing is staged for visitors. Source ↗

Still on: Autumn and winter swell (15 Sep – 31 Mar (usually))

February in San Sebastián (Donostia)

San Sebastián (Donostia) weather in February

Shoulder season — school holidays in 3 of the markets that fill it, an ordinary month

Nothing new starts in February.

Still on: Cider house season (15 Jan – 30 Apr), Autumn and winter swell (15 Sep – 31 Mar (usually))

March in San Sebastián (Donostia)

San Sebastián (Donostia) weather in March

Quiet — travelers describe it as quiet, Semana Santa (Easter) holidays in Spain

Nothing new starts in March.

Still on: Cider house season (15 Jan – 30 Apr), Autumn and winter swell (15 Sep – 31 Mar (usually))

April in San Sebastián (Donostia)

San Sebastián (Donostia) weather in April

Busy — Semana Santa (Easter) holidays in Spain, school holidays in 5 of the markets that fill it

Nothing new starts in April.

Still on: Cider house season (15 Jan – 30 Apr)

May in San Sebastián (Donostia)

San Sebastián (Donostia) weather in May

Busy — school holidays in 4 of the markets that fill it, one of its best months for weather

Nothing new starts in May.

June in San Sebastián (Donostia)

San Sebastián (Donostia) weather in June

Busy — Summer holidays in Spain, school holidays in 3 of the markets that fill it

Nothing new starts in June.

July in San Sebastián (Donostia)

San Sebastián (Donostia) weather in July

Peak crowds — Jazzaldia, Summer holidays in Spain

  • Season

    La Concha swimming season

    1 Jul – 25 Sep · usuallySea warm enough

    The Cantabrian sea is cold and slow to warm, so the bay only really swims from July to late September. The tide matters: at high water La Concha almost disappears.

  • Festival

    Jazzaldia

    20–28 Jul · usuallyMajor festivalCrowded

    One of Europe's oldest jazz festivals, and half of it is free: the big stage sits on the sand at Zurriola and the trio sets run in the squares of the old town. Source ↗

August in San Sebastián (Donostia)

San Sebastián (Donostia) weather in August

Peak crowds — Aste Nagusia, Summer holidays in Spain

  • Festival

    Aste Nagusia

    8–18 Aug · usuallyMajor festivalCrowdedBook early

    The week around 15 August, when an international fireworks competition is fired over the bay every night and judged by the crowd on the promenade. Rooms are at their dearest. Source ↗

Still on: La Concha swimming season (1 Jul – 25 Sep (usually))

September in San Sebastián (Donostia)

San Sebastián (Donostia) weather in September

Peak crowds — Zinemaldia film festival, Summer holidays in Spain

  • Season

    Autumn and winter swell

    15 Sep – 31 Mar · usuallySurf season

    Atlantic groundswell arrives with the autumn and Zurriola works properly from September to March. It is also when the promenade gets waves over the railings in a storm.

  • Festival

    Zinemaldia film festival

    18–26 SepCrowdedBook early

    Nine days in late September that fill the city harder than August does, with public tickets sold in a scramble a fortnight ahead and red carpets outside the Kursaal every evening. Source ↗

Still on: La Concha swimming season (1 Jul – 25 Sep (usually))

October in San Sebastián (Donostia)

San Sebastián (Donostia) weather in October

Shoulder season — school holidays in 4 of the markets that fill it, an ordinary month

Nothing new starts in October.

Still on: Autumn and winter swell (15 Sep – 31 Mar (usually))

November in San Sebastián (Donostia)

San Sebastián (Donostia) weather in November

Quiet — school holidays in 2 of the markets that fill it, one of its worst months for weather

Nothing new starts in November.

Still on: Autumn and winter swell (15 Sep – 31 Mar (usually))

December in San Sebastián (Donostia)

San Sebastián (Donostia) weather in December

Busy — Christmas holidays in Spain, school holidays in 6 of the markets that fill it

Nothing new starts in December.

Still on: Autumn and winter swell (15 Sep – 31 Mar (usually))

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