Santiago de Compostela in August

In August, Santiago de Compostela averages 25°C (77°F) during the day and 15°C (59°F) at night, with around 7 days of rain (40 mm total).

Peak season

Conditions are comfortable for sightseeing without being sweltering. Occasional showers are likely but won't dominate.

August is a great month to visit Santiago de Compostela: pleasant temperatures and relatively few wet days.

25°C
Avg high
15°C
Avg low
7
Rain days
40 mm
Rainfall

How August compares to the rest of the year in Santiago de Compostela

1st
warmest month of the 12
11th
wettest month of the 12
3%
of yearly rainfall falls in August
13 h 57 min
daylight on the 15th

August is one of the warmest months in Santiago de Compostela (1st of 12) and one of the driest months (11th of 12). Daytime temperature runs 7°C above the annual average (18°C). August runs roughly the same as July (25°C) and cools 2°C in September (23°C).

August sunrise & sunset in Santiago de Compostela

🌅
Sunrise (15th)
7:40 AM
🌇
Sunset (15th)
9:37 PM
Day length
13 h 57 min

Times shown for Santiago de Compostela local time (Europe/Madrid), calculated for the 15th of August. They shift by a few minutes day to day across the month.

Photography light in Santiago de Compostela — August

Golden-hour and blue-hour windows for the 15th of August, in Santiago de Compostela's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
6:40 AM – 7:20 AM
🌄 Golden hour (AM)
7:20 AM – 8:20 AM
🌇 Golden hour (PM)
8:57 PM – 9:57 PM
🌆 Blue hour (PM)
9:57 PM – 10:37 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Santiago de Compostela.

📅 When to book — Santiago de Compostela in August

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Peak season) and Santiago de Compostela's popularity.

✈ Flights — lead time
3-5 months
Flight prices are near their annual peak. Watch fare-alert tools, book directly when you see a fare under the typical range for this city.
🏨 Lodging — lead time
3-5 months
Reasonable selection still available at 3-4 months out, but central locations vanish first.

Crowds & pricing — August in Santiago de Compostela

Peak season

Santiago de Compostela is in peak season during this month — expect bigger crowds at famous sights, higher hotel and flight prices, and longer queues. Restaurant reservations a few days out are advisable, and any boutique hotels you have your eye on should be booked weeks ahead. The trade-off: most attractions, restaurants, and seasonal services are fully open, the weather is at its most reliable, and the city feels at its most alive.

Why this tier: excellent tourism weather Northern Hemisphere summer holidays

Sun & mosquito risk — August in Santiago de Compostela

☀️ UV Index (noon, 15th)
10.9
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 Mosquito risk
●●●○○
Moderate
Active mosquito season. DEET 25-30% repellent recommended, especially at dawn/dusk.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Santiago de Compostela in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 12°C / 53°F 5°C / 41°F 177 mm 15
February 13°C / 55°F 5°C / 41°F 141 mm 14
March 14°C / 58°F 6°C / 43°F 133 mm 14
April 17°C / 62°F 8°C / 46°F 111 mm 15
May 20°C / 67°F 10°C / 50°F 79 mm 11
June 22°C / 71°F 13°C / 55°F 78 mm 11
July 25°C / 77°F 15°C / 59°F 26 mm 6
August 25°C / 77°F 15°C / 59°F 40 mm 7
September 23°C / 73°F 14°C / 56°F 65 mm 9
October 20°C / 67°F 11°C / 52°F 176 mm 14
November 15°C / 58°F 8°C / 46°F 176 mm 17
December 13°C / 55°F 6°C / 43°F 187 mm 15

Other cities with similar August weather

🌍 See the full ranked list of climate twins for Santiago de Compostela in August →

Frequently asked questions

How hot is Santiago de Compostela in August?

In August, Santiago de Compostela averages a high of 25°C (77°F) and a low of 15°C (59°F) — generally warm.

Does it rain a lot in Santiago de Compostela in August?

August sees occasional rain in Santiago de Compostela, with about 7 rainy days on average.

Is August a good time to visit Santiago de Compostela?

August is warm. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Santiago de Compostela in August?

Pack light layers for warm days and cooler evenings. See the full August packing list for Santiago de Compostela for a complete, climate-based checklist.

Open Santiago de Compostela on the interactive map

Check the live 10-day forecast and sunrise/sunset.