Weather: San Sebastián — August
The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.
🌟 Climate Overview
August is an excellent time to visit San Sebastián. Warm weather with highs of 25°C—great for outdoor activities. Rain is common, so pack an umbrella. As peak season, expect higher prices and more tourists. Sea temperature of 23°C is refreshing but swimmable.
Based on weather comfort, crowds, prices, and activity options
25°C
19°C
13days
14h
Feels like 28°C / 20°C — humidity makes it feel warmer
98mm
10.6h/day
82%
Very Humid7.5
Very High16 km/h (gusts 31)
23°C 💧 Refreshing
Is August a good time to visit San Sebastián?
The weather is near-perfect with ideal temperatures and minimal rain.
Now
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Air Quality
Travel Context
- CrowdsVery Busy
- Travel Costs Peak Rates
Daylight
07:13
21:15
Visiting San Sebastián in August: Pros & Cons
Pros
- Comfortable temperatures for sightseeing
- Abundant sunshine for beach and outdoor fun
- Long daylight hours maximize sightseeing time
- One of the best months to visit
Cons
- Peak season — expect crowds and higher prices
Things to Do in August
Events & Festivals
Recommended for This Weather
San Sebastián Weather by Month
| Month | Avg High | Avg Low | Rain | Sunshine | Humidity | UV Index | Crowds | Condition |
|---|---|---|---|---|---|---|---|---|
| Jan | 13°C | 8°C | 15d (137mm) | 5.8h | 79% Humid | 2.3 Moderate | | Wet |
| Feb | 15°C | 9°C | 12d (92mm) | 7.2h | 77% Humid | 3.6 Moderate | | Good |
| Mar | 15°C | 10°C | 17d (120mm) | 8.6h | 75% Humid | 5.2 High | | Wet |
| Apr | 17°C | 11°C | 14d (99mm) | 9.6h | 77% Humid | 6.9 High | | Wet |
| May | 20°C | 14°C | 16d (103mm) | 10.9h | 80% Very Humid | 8.1 Very High | | Excellent |
| Jun | 23°C | 17°C | 17d (131mm) | 10.4h | 83% Very Humid | 8 Very High | | Excellent |
| Jul | 24°C | 18°C | 12d (52mm) | 11.4h | 82% Very Humid | 8.4 Very High | | Excellent |
| Aug Current | 25°C | 19°C | 13d (98mm) | 10.6h | 82% Very Humid | 7.5 Very High | | Excellent |
| Sep | 23°C | 17°C | 15d (135mm) | 9.3h | 79% Humid | 5.8 High | | Excellent |
| Oct | 21°C | 15°C | 13d (135mm) | 7.6h | 78% Humid | 4.1 Moderate | | Wet |
| Nov | 16°C | 12°C | 15d (173mm) | 6.1h | 80% Very Humid | 2.5 Moderate | | Wet |
| Dec | 14°C | 10°C | 18d (183mm) | 5.4h | 81% Very Humid | 2 Low | | Wet |
San Sebastián
Basque culinary capital, including La Concha beach, La Concha beach promenade and Pintxos bar hopping in Parte Vieja, pintxos bars, and Michelin-starred dining.
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What to Pack for August
Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.
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Frequently Asked Questions
Is August a good time to visit San Sebastián?
Does it get cold at night in San Sebastián in August?
What should I pack for San Sebastián in August?
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Can you swim in San Sebastián in August?
How many hours of daylight are there in San Sebastián in August?
Is August peak season in San Sebastián?
More San Sebastián Guides
Best Time to Visit
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Things to Do
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Where to Stay
Best neighborhoods and hotel recommendations
Cost & Budget
Daily costs, money-saving tips, and budget breakdown
Itineraries
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Overview
Complete travel guide for San Sebastián: top things to do, itineraries, and typical costs.