SeasonScore
San Sebastián, Spain
Photo: Phillip Maiwald (Nikopol) · CC BY-SA 3.0

Spain

San Sebastián in August

☀️ Summer

Pleasant and some showers.

🎒 Pack: compact umbrella or rain jacket

Best months: Jul (9.3), Jun (9.2), May (9.1)

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Why August scores 9.1What goes into the score

How it works
🌡️ 26° / 18°C🌧️ 113 mm💧 dew pt 17°🍃 PM2.5 8
  • Weather comfort8.9
    • ✓Comfortable temperatures (26°C highs / 18°C lows)
    • ✓Slightly humid (dew point 16.9°C)
    • !Wet: ~113 mm rain, ~2 heavy-rain days
  • Air quality9.5
    • ✓Good (within WHO guideline) (PM2.5 ~8 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut August side by side with another month
AugJul
Score9.1 Excellent9.3 Excellent
Season☀️ Summer☀️ Summer
High / low26° / 18°25° / 18°
Rain113 mm92 mm
Humiditydew pt 17°dew pt 17°
PM2.58 µg/m³6 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: San Sebastián Airport weather-station normals. Rainfall: San Sebastián Airport weather-station normals (national met service).

Holidays & crowdsAugust 2027

No long holidays

No long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.

No national public holidays in Spain this month.

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore San SebastiánEvents, sights, food & souvenirs

Check event dates locally

Basque coastal city in northern Spain, known for La Concha bay, pintxos bars in the Old Town and a high concentration of Michelin-starred restaurants.

Events in August
Semana Grande (Aste Nagusia)Date variesUsually the week of 15 August

A festival week with an international fireworks competition over the bay.

Why go: Busy and expensive.

Where: Citywide

Coming up later

San Sebastián International Film FestivalDate variesUsually second half of September

A major international film festival.

Why go: Hotels fill up.

Where: Kursaal and cinemas

La Concha RegattaDate variesUsually the first two Sundays of September

Traditional Basque rowing boat races.

Why go: Crowds watch from the promenade.

Where: La Concha Bay

TamborradaEvery year20 January every year

24 hours of drumming for the city's patron saint, starting at midnight.

Why go: Children's drum groups parade during the day.

Where: Citywide