In August, San Luis typically sees daytime highs of 32.2°C and overnight lows around 22.5°C. Compared to the annual average high of 30.3°C, August runs +1.9°C.
August in San Luis averages a daytime high of 32.2°C and an overnight low of 22.5°C.
August runs +1.9°C compared to San Luis's annual average high of 30.3°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 32.2°C and cooler evenings around 22.5°C.