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When to go · San Sebastián

San Sebastián in August

Great month. Inside San Sebastián's best window: Jun–Sep for beach weather; May and Sep–Oct for fewer crowds and comfortable walking.

Key facts

Verdict
Great
Temperature
25°C (77°F) / 17°C (63°F)
average high / low
Rain days
10
Crowds
High
Spain overall
Prices
High
Spain overall

Verdict

GreatBest and avoid months for San Sebastián

Inside San Sebastián's best window: Jun–Sep for beach weather; May and Sep–Oct for fewer crowds and comfortable walking.

Is another month better than August?

No other month rates higher than August for San Sebastián in this guide.

Weather in August

Long-term averages
  • San SebastiánHighs around 25 °C (77 °F), lows around 17 °C (63 °F), rain on about 10 days
  • Green north, Spain · San Sebastián, Bilbao, Santander, Asturias, Galiciabest weather

    Atlantic weather: green because it rains. The best escape from summer heat; pack a rain jacket in any month.

Crowds and prices

Crowds · Spain overall
High
Prices · Spain overall
High

Spain overall: Spain's own holiday month: coasts and islands full and expensive, Madrid half closed, heat at its worst inland.

High-price month: see what to book ahead.

Compare two months

Weather, crowds and prices for any two months in San Sebastián, side by side.

  • Verdict

    Aug: Great

    May: Great

  • Daytime high

    Aug: 25 °C (77 °F)

    May: 19 °C (66 °F)

  • Night low

    Aug: 17 °C (63 °F)

    May: 11 °C (52 °F)

  • Rain days

    Aug: 10 (better)

    May: 12

  • Crowds

    Aug: High

    May: Medium

  • Prices

    Aug: High

    May: Medium

  • Festivals listed

    Aug: 0

    May: 0

August: Inside San Sebastián's best window: Jun–Sep for beach weather; May and Sep–Oct for fewer crowds and comfortable walking.

May: Inside San Sebastián's best window: Jun–Sep for beach weather; May and Sep–Oct for fewer crowds and comfortable walking.

San Sebastián: figures are long-term averages from this guide, not a forecast.

What to pack

  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Spain in August →