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Coldest month
July, August and September welcome the highest average temperatures in Santiago de Compostela, and these months attract holidaymakers in big numbers. Easter is a fantastic time to visit to witness the religious celebrations, while May is nice and warm, but a little quieter so a good time to explore the sights.
Santiago de Compostela is an important point of pilgrimage, so avoid obvious times like Easter, when religious processions and festivals take over the town and attract big crowds. High summer is also a really popular time, so consider May or October for still-mild temperatures but less people. These months are ideal for exploring the old town and taking a breather in the city’s leafy park.