In October, Barreiro typically sees daytime highs of 21.5°C and overnight lows around 13.8°C. Compared to the annual average high of 20.0°C, October runs +1.5°C.
October in Barreiro averages a daytime high of 21.5°C and an overnight low of 13.8°C.
October runs +1.5°C compared to Barreiro's annual average high of 20.0°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 21.5°C and cooler evenings around 13.8°C.