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Santiago de Compostela Weather by Month
Average temperatures, rainfall and humidity for Santiago de Compostela, Spain, month by month, built from OpenWeather’s historical records. Use it to see what a typical Santiago de Compostela month looks like before you travel — then check the live Santiago de Compostela forecast for the days ahead.
Warmest month
July
24°C average high
Coolest month
January
7°C average low
Wettest month
November
129 mm of rain
Driest month
July
13 mm of rain
Average temperature and rainfall in Santiago de Compostela by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 13°C | 7°C | -3°C / 22°C | 124 mm | 84% | 13 km/h |
| February | 14°C | 7°C | -2°C / 23°C | 88 mm | 81% | 13 km/h |
| March | 15°C | 7°C | -1°C / 28°C | 68 mm | 78% | 13 km/h |
| April | 17°C | 9°C | 0°C / 29°C | 57 mm | 78% | 12 km/h |
| May | 19°C | 11°C | 2°C / 32°C | 52 mm | 79% | 11 km/h |
| June | 21°C | 14°C | 7°C / 34°C | 38 mm | 80% | 10 km/h |
| July | 24°C | 16°C | 9°C / 44°C | 13 mm | 79% | 10 km/h |
| August | 24°C | 16°C | 8°C / 36°C | 30 mm | 80% | 10 km/h |
| September | 23°C | 14°C | 6°C / 34°C | 43 mm | 80% | 9 km/h |
| October | 20°C | 12°C | 3°C / 34°C | 100 mm | 82% | 11 km/h |
| November | 16°C | 9°C | -2°C / 24°C | 129 mm | 85% | 12 km/h |
| December | 14°C | 8°C | -2°C / 22°C | 100 mm | 84% | 13 km/h |
Best time to visit Santiago de Compostela
The most comfortable time to visit Santiago de Compostela is generally July to September, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around November, totalling about 843 mm a year.
Travellers who prefer heat should aim for July, when highs average 24°C. November is the month to avoid if rain would spoil your plans — it averages 129 mm, roughly 10× the rainfall of the driest month (July).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Santiago de Compostela forecast for what is happening now.