In August, Castelldefels typically sees daytime highs of 27.2°C and overnight lows around 17.8°C. Compared to the annual average high of 19.0°C, August runs +8.2°C.
August in Castelldefels averages a daytime high of 27.2°C and an overnight low of 17.8°C.
August runs +8.2°C compared to Castelldefels's annual average high of 19.0°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 27.2°C and cooler evenings around 17.8°C.