In January, San Luis typically sees daytime highs of 28.4°C and overnight lows around 17.9°C. Compared to the annual average high of 30.3°C, January runs -1.9°C.
January in San Luis averages a daytime high of 28.4°C and an overnight low of 17.9°C.
January runs -1.9°C compared to San Luis's annual average high of 30.3°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 28.4°C and cooler evenings around 17.9°C.