San Sebastián June — La Concha bay from Monte Igueldo

Best time to visit San Sebastián for good weather

When is the best weather in San Sebastián? Monthly breakdown of temperature, rainfall, and sunshine hours — ranked by what actually matters for your trip.

Best month

June

Pre-school-holiday peak — Jazz fest hasn't hit, but La Concha is finally swim-ready.

San Juan night (23 Jun) — bonfires on Zurriola and Concha beaches

Mountain hiking in Pyrenees foothills at perfect 18°C

Sea climbs past 17°C, La Concha properly usable

All months ranked — Good weather

June

Best match

Pre-school-holiday peak — Jazz fest hasn't hit, but La Concha is finally swim-ready.

#1 for good weather

May

Best match

First sweet spot — La Concha walkable, terraces open, pintxos quality unchanged from summer.

#2 for good weather

September

Best match

Best month overall — Film Festival brings glamour, schools back, sea still 20°C.

#3 for good weather

July

Best match

Heineken Jazzaldia (late Jul) brings 150,000 fans to a city of 180,000 — the music month.

#4 for good weather

October

Strong option

Second sweet spot — chestnut and mushroom season hits Basque kitchens, prices drop hard.

#5 for good weather

April

Strong option

Easter often falls here — Basque processions are restrained, prices manageable, food at its best.

#6 for good weather

March

Strong option

First glimpses of spring — cider houses (sagardotegi) hit peak season around the city.

#7 for good weather

December

Strong option

Santo Tomás (21 Dec) — txistorra sausage and cider takes over the city for a single legendary day.

#8 for good weather

November

Strong option

Wettest month — the city retreats indoors and the cider houses and pintxos bars are at their best.

#9 for good weather

February

Strong option

Coldest, quietest stretch — pintxos bars run by locals for locals, no queues anywhere.

#10 for good weather

August

Strong option

Semana Grande (mid-Aug) — international fireworks competition over La Concha, the city at capacity.

#11 for good weather

January

Worth considering

Tamborrada (20 Jan) — 24 hours of Basque drumming and the only reason to come in deep winter.

#12 for good weather

Other priorities for San Sebastián

Good weather in other destinations

Scores are directional — designed to compare months within San Sebastián, not to make precise claims. Full methodology →