In October, Santander typically sees daytime highs of 18.4°C and overnight lows around 10.4°C. Compared to the annual average high of 16.8°C, October runs +1.6°C.
October in Santander averages a daytime high of 18.4°C and an overnight low of 10.4°C.
October runs +1.6°C compared to Santander's annual average high of 16.8°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 18.4°C and cooler evenings around 10.4°C.