City break

Santiago de Compostela weather in August

Temperature, rain and sunshine in August: long-term averages from 30 years of weather data, not a forecast.

89

Holiday weather in August

Excellent

Best time to visit: June – September

What is the weather like in Santiago de Compostela in August?

In August, Santiago de Compostela is warm: daytime highs average 24 °C, and nights cool down to about 15 °C. The sun shines for around 8 hours a day. Rain falls on about 7 days, adding up to 44 mm. All in all, August is an excellent month for a holiday in Santiago de Compostela.

August compared

How the weather changes from July to September. Tap a month to open it.

JulyJulAugustAugSeptemberSep
Score928980
Day23°24°22°
Night14°15°13°
Sun8 h8 h6 h
Rain days679

More details for August

Daylight
13 h 59 min07:39 – 21:39
UV index
8 · very highclear sky, noon (estimate)All months
Muggy days
1 daydew point 18 °C or moreAll months
Wind
19 km/haverage daily peakAll months
Cloud cover
51 %on averageAll months
Hot days
2 days30 °C or moreAll months
Time zone
UTC+2Europe/Madrid

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %77 %
  • Few rainy daysweight 30 %79 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in August

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings

Santiago de Compostela in August: quick answers

Is Santiago de Compostela hot in August?

Warm rather than hot: in August, daytime highs in Santiago de Compostela average 24 °C and nights cool to about 15 °C. On about 2 days the thermometer climbs to 30 °C or more.

Does it rain much in Santiago de Compostela in August?

Rain falls on about 7 days, adding up to 44 mm.

Santiago de Compostela month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences