Santiago de Compostela Weather in August
Santiago de Compostela in August sees high daytime temperatures of 25°C (77°F) and nighttime lows of 15°C (59°F). Moderate rainfall is typical, with around 50 mm (2 in) for the month.
Rainfall in Santiago de Compostela in August
You can expect rain on roughly 9 days based on historical data, averaging 50 mm (2 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Santiago de Compostela in August
August is a good time to be in Santiago de Compostela. Days are perfect, reaching 25°C (77°F), with nights around 15°C (59°F). Summer occurs in August. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. On average, it has the peak temperatures of the year.
Sunshine in Santiago de Compostela in August
There are approximately 236 hours of sunshine this month, resulting in mostly clear days.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Spain, check out our Santiago de Compostela's climate page.
Santiago de Compostela Temperature in August
Min Temperature
15°C (59°F)
Max Temperature
25°C (77°F)
Chance of Rain
30%
Precipitation
50 mm (2 in)
Rainy days
9 days
Humidity
74%
Sunshine
236 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Santiago de Compostela typically stay consistent throughout August, with daily highs averaging around 25°C (77°F). Nights are cool, with lows around 14°C (57°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Santiago de Compostela in August
Browse day-by-day weather records for Santiago de Compostela spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Santiago de Compostela historical weather extremes in August
Our historical data for Santiago de Compostela spans 1976 to 2025, revealing these weather extremes.
- The hottest August day on record in Santiago de Compostela reached 39°C (102°F) (August 12, 1987).
- On August 16, 2006, Santiago de Compostela saw its coldest August day with temperatures maxing out at 15°C (59°F).
- The lowest overnight temperature recorded in August was 6°C (43°F) (August 8, 1986).
Best Places in Spain in August
Find out more about the weather in Spain and which places have the best travel conditions in this month. See all of Spain in August →
perfect weather
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tolerable
unpleasant
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What to Wear in Santiago de Compostela in August
Comfortable temperatures call for an easy wardrobe in August. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Santiago de Compostela in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Spain, check out our Santiago de Compostela's climate page.
Temperature Rainfall Sunshine Humidity
See the full Santiago de Compostela climate overview or explore weather in Spain.
