In August, Sao Luis typically sees daytime highs of 31.8°C and overnight lows around 22.6°C. Compared to the annual average high of 31.4°C, August runs +0.5°C.
August in Sao Luis averages a daytime high of 31.8°C and an overnight low of 22.6°C.
August runs +0.5°C compared to Sao Luis's annual average high of 31.4°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 31.8°C and cooler evenings around 22.6°C.