In October, Santiago de Compostela typically sees daytime highs of 18.7°C and overnight lows around 9.0°C. Compared to the annual average high of 17.4°C, October runs +1.3°C.
October in Santiago de Compostela averages a daytime high of 18.7°C and an overnight low of 9.0°C.
October runs +1.3°C compared to Santiago de Compostela's annual average high of 17.4°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 18.7°C and cooler evenings around 9.0°C.