San Sebastián · Month comparison
December vs June
June ranks #1 overall vs December at #6. Pre-school-holiday peak — Jazz fest hasn't hit, but La Concha is finally swim-ready.
December
#6 of 12 months
Strong option
Santo Tomás (21 Dec) — txistorra sausage and cider takes over the city for a single legendary day.
- ↑Santo Tomás market 21 December — locals in traditional dress, txistorra in talo flatbread
- ↑Christmas lights along Boulevard and Avenida de la Libertad
June
#1 of 12 months
Best match
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
| Factor | December | June |
|---|---|---|
| Weather score | 4 | 9 |
| Value score | 9 | 6 |
| Crowd score | 9 | 6 |
| Events score | 7 | 9 |
| Atmosphere | 8 | 10 |
| Avg high temp | 12°C | 21°C |
| Monthly rain | 130mm | 70mm |
| Daily sunshine | 3hrs | 7hrs |
December trade-offs
- ↓130mm rain plus 3 hours of daylight worth of sun
- ↓Christmas week prices spike 50% in central hotels
June trade-offs
- ↓Last week of June Jazz Festival prep already pushes rates 20%
- ↓Spanish schools out by month-end — Madrid weekenders arriving
Scores compare months within San Sebastián. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →