Best months
May · Jun · Jul · Aug · Sep · Oct
Best for: Basque-coast nomads who base for the warm-season window before damp Atlantic winter.
Year at a glance
Cells coloured by typical daytime average temperature. ★ = best months for nomads.
Jan
8°C
75%
4mm
Feb
9°C
72%
3mm
Mar
11°C
72%
3mm
Apr
12°C
72%
4mm
May
15°C
72%
3mm
Jun
18°C
72%
3mm
Jul
20°C
72%
2mm
Aug
20°C
72%
3mm
Sep
18°C
74%
3mm
Oct
15°C
76%
4mm
Nov
11°C
76%
5mm
Dec
9°C
78%
4mm
Summer peak
20°C
July · 72% humidity
Winter low
8°C
January · 75% humidity
Climate type
Oceanic (Basque coast)
Moderate summers, Humid winters
Field notes
Oceanic (Basque coast) — meaningfully wetter than the rest of Spain (~1,500mm annually). Winter (December–February, 8–9°C average) is mild and rainy. Summer (June–August, 19–20°C average) is mild and pleasant — meaningfully cooler than Madrid or Barcelona. Spring and summer (April–September) are the cleanest working windows. The Galician-Cantabrian coast climate is the closest thing in Spain to British or Irish weather.
Visa for nomads
High nomad-friendlyPathway
Digital nomad visa
Program
Spanish Digital Nomad Visa
Typical max stay
36 months
Same Spanish DNV as Madrid/Barcelona — €2,762/mo income, 1-year + 3-year extension. Basque coastal city famous for pintxo bar culture and Michelin-star density.
Editorial summary, not legal advice. Verify with the relevant consulate before applying — visa programs change with little notice.
Cost of living in San Sebastián: ~$2,640/mo
Mid-tier monthly across rent, food, transport, utilities, and coworking.
Cities with a similar climate
Useful while you’re in San Sebastián
- Travel insuranceLong-term, nomad-friendly cover that travels with you to San Sebastián
- Multi-currency bankingAvoid the 4% conversion fees foreign cards rack up in Spain
- eSIM data planDay-one connectivity in Spain without local-SIM friction
- Coworking & colivingDay passes, monthly memberships, and verified workspaces in San Sebastián
- Flight dealsCheapest routes in and out of San Sebastián
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Editorial estimates aggregated from public climatological summaries — typical monthly averages, not forecasts. Treat as order-of-magnitude. Microclimate, altitude, and recent extreme weather can swing these values significantly.