October in Santiago de Compostela averages a daily high of 19°C with nights around 10.3°C. Expect roughly 16.4 wet days totalling 224.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Santiago de Compostela is June–September.
Based on SANTIAGO DE COMPOSTELA LABACOL, SP (11km), 1995–2024. 30 years of October data.