In August, San Martin typically sees daytime highs of 19.0°C and overnight lows around 4.0°C. Compared to the annual average high of 24.9°C, August runs -5.9°C.
August in San Martin averages a daytime high of 19.0°C and an overnight low of 4.0°C.
August runs -5.9°C compared to San Martin's annual average high of 24.9°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 19.0°C and cooler evenings around 4.0°C.