In August, Santiago typically sees daytime highs of 15.6°C and overnight lows around 2.7°C. Compared to the annual average high of 21.1°C, August runs -5.6°C.
August in Santiago averages a daytime high of 15.6°C and an overnight low of 2.7°C.
August runs -5.6°C compared to Santiago's annual average high of 21.1°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 15.6°C and cooler evenings around 2.7°C.