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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Trade Wire UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Expect mild, damp conditions if you’re heading to Santiago de Compostela. The live forecast above shows today’s outlook, but the city’s Galician climate means you should always pack a rain layer, whatever the time of year.
What is the weather like in Santiago de Compostela year round?
Santiago de Compostela weather year round is defined by its Atlantic influence. Winters are cool and persistently wet, with average highs around 12°C in January, while summers are pleasantly warm but rarely hot, with August averaging 23°C. Rainfall is abundant throughout the year, though July and August see noticeably drier spells. If you’re planning a visit, the 10 day weather forecast UK comparisons are useful, as the city’s climate is often wetter and milder than much of Britain.
Does it rain a lot in Santiago de Compostela?
Yes, it does. This is one of the wettest cities in Spain, with over 130 rainy days annually. The heaviest rain falls between November and February. For travellers, checking the santiago de compostela weather by month is a sensible move—December and January are the soggiest, whereas a santiago de compostela weather september visit offers a balance of warmth and lower rainfall.
Can I trust a 15-day or 30-day forecast for Santiago de Compostela?
Long-range predictions, such as a santiago de compostela weather forecast 15 days or 30-day outlook, can indicate general trends. However, Galicia’s weather changes quickly. Use them as a rough guide, but always check the live forecast above for reliability closer to your trip.
Is the weather in Santiago de Compostela very cold in December?
Santiago de compostela weather december is chilly, not Arctic. Average highs hover around 12°C, with lows near 5°C. The main challenge is the persistent rain, not the temperature. A good waterproof coat and layers are essential for a visit this month.
Is July a good time for a Camino walk there?
July offers the best chance of dry, sunny weather, but it is also peak tourist season. The weather in santiago de compostela 10 days in summer is typically stable, but expect warmth (around 22°C) and occasional afternoon showers. Book accommodation well ahead.