August · Spain
Best time to visit Santiago de Compostela in August Weather, crowds & prices
Weather in Santiago de Compostela in August
Average temperature 21°C, 19 mm of rain, about 30 days with 6+ hours of sunshine and 72% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
9.8/10
Ranked #2 of 12 months
- Avg temp
- 21°C
- Rainfall
- 19 mm
- Humidity
- 72%
- Days with 6h+ sun
- 30
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Santiago de Compostela scores 9.8/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 21°C, 19 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Santiago de Compostela crowns the Camino with granite cathedral squares, pilgrim rituals, and Galician seafood markets. Best window: late spring through early autumn.
August is one of the strongest months in Santiago de Compostela (2nd)
August averages 21°C (69°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Expect 19 mm of rain — occasional showers rather than washed-out days — alongside about 30 days with 6+ hours of sunshine and 13.8 daylight hours.
A 9.8/10 puts this among the year's best months in Santiago de Compostela (2nd of 12); only July scores higher, at 9.8/10.
Pack light clothing, a hat and real sun protection.
Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Santiago de Compostela in August?
- In August, Santiago de Compostela averages 21°C, 19 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 9.8/10.
- Is August a good time to visit Santiago de Compostela?
- August earns a 9.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Santiago de Compostela in August?
- Expect about 19 mm of rain in August. Average humidity is 72% and there are about 30 days with 6+ hours of sunshine.
Curated in Santiago de Compostela
Tickets & experiences
Things to do in Santiago de Compostela
Santiago de Compostela, Spain. Live activities and tours from GetYourGuide, matched to this destination.